Tài liệu hạn chế xem trước, để xem đầy đủ mời bạn chọn Tải xuống
1
/ 44 trang
THÔNG TIN TÀI LIỆU
Thông tin cơ bản
Định dạng
Số trang
44
Dung lượng
406 KB
Nội dung
F2 - MANAGEMENT What advantage reciprocating pumps have over centrifugal pumps? A A pumps more cargo in less time B more effective when stripping B C faster rate of liquid flow D less expensive As the propeller turns, voids are formed on the trailing and leading edges of the propeller blades causing a low in propulsive efficiency, pitting of the blades and vibration: these voids are known as; A Edging C B Slip D C Cavitation E D Advance What is the TPC of a box-shaped vessel: 120 m x 15 m x 10 floating at even keel draft of 4.5 m?What is the TPC of a box-shaped vessel: 120 m x 15 m x 10 floating at even keel draft of 4.5 m? A 18.15 tons / cm B 18.45 tons /cm C 18.25 tons / cm D 18.35 tons/cm "Ease the rudder" means to; A steer the course which is your present heading B move the rudder slowly in the direction of the most recent rudder command C bring the rudder midship D decrease the rudder angle A ship having an original mean draft of 8.60 m is going to load until reaching a draft of 9.39 m Her TPC is 30 tonnes Solve for cargo to load A 2,000 tonnes B 2,500 tonnes C 2,429 tonnes D 2,370 tonnes Which is/are the particular hazard/s which can arise from the carriage of certain solid bulk cargoes? A chemical hazard; flammable gas emitted following contact with water B overstowage C underloading D overloading The upward slope of a ship's bottom from the keel to the bilge is known as; A keel height B slope C camber D deadrise Which of the following is/are the precaution/s to be taken prior to and during the loading of containers on deck of vessel's which are not purpose built? I When loaded, overhanging on the ship' side should be lashed properly II Stowage is preferably fore and aft if there is no deck fittings A Either I or II B Neither I nor II C II only D I only The maximum length allowed between main transverse bulkheads on a vessel is referred to as the; A compartment standard B factor of subdivision C permissible length D floodable length 10 What is the characteristic of an oil (petroleum) cargo, the results of which are to cause symptoms of diminished responsibility and dizziness similar to drunkenness, headache and eye irritation? A toxic B dangerous C odorous D poisonous 11 Using a scope of 5, determine how many feet of cable you should put out to anchor in fathoms of water? A 100 feet B 200 feet C 250 feet D 150 feet 12 A ship has a fresh water allowance of 175 mm To what depth could she submerge her loadline when loading in dock water of density 1011 kg/m3? A 78 mm B 88 mm C 98 mm D 108 mm 13 Usually the most gentle way of riding out a severe storm is; A to a sea anchor B head on at slow speeds C running before D hove to 14 Bulk cargo refers to; A cargo which is very dense B cargo which requires refrigeration C a cargo which occupies a large volume of space D homogenous cargo not enclosed in a container 15 In the inert gas system, the deck water seal A prevents the vacuum formation inside tanks B cleans the inert gas of any leftover mist or soot C prevents the entry of inert gas into gas-free tanks D isolates hazardous from nonhazardous areas 16 When you notice oil on the water near your vessel while taking on fuel you should first; A notify the terminal superintendent B notify the senior deck officer C determine whether your vessel is the source D stop loading 17 A vessel proceeding along the bank of a river or channel has the tendency to; A hug the bank B sheer away from the bank C increase speed D continue in line with the bank 18 A venetian vent or rice ventilator is used in stowage of which cargo? A Refrigerated goods B Bulk rice C Bagged cargo D Bulk grain 19 The body of a vessel is a/an A endwise view of the ship's molded form B vertical view made looking up in the ship with the keel at the center C longitudinal side elevation view D plan made looking down on the ship showing-its hull cut horizontally by the first set of planes 20 The term "pintle" and "gudgeon" are associated with the; A rudder B jumbo C steering engine D anchor windlass 21 Combustible gas indicators measure the presence of combustible gas as a percentage of the; A lower explosive limit B upper explosive limit C fire point D flash point 22 The part of an anchor which takes hold on the bottom is the; A base B fluke C arm D stock 23 Which of the following is/are the safety factors which must be considered both before and when using a pair of derricks to operate in union purchase? A either all gear including derricks and attachments properly greased and lubricated B all wires, chains, ropes to be in good condition C both all gear including derricks and attachments properly greased and lubricated; and all wires, chains, ropes to be in good condition D all gear including derricks and attachments properly greased and lubricated 24 "Block stowage" means; A using separation cloths to separate different kinds of cargo B having the cargo on pallets C storing all the cargo for a port in the same area D using ports marks on the cargo 25 The distance a vessel moves parallel to the original course from the point where the rudder is put over to any point on the turning circle is called the; A pivoting points B advance C drift angle D transfer 26 One major advantage of load-on-top system is that; A corrosion within the cargo tanks is reduced B discharge time is significantly reduced C oil that was previously lost is recovered D multiple-product ships can use it without contamination problems 27 You are approaching a pier and intend to use an anchor to assist in docking port side to You would not use the port anchor if; A another vessel is berthed ahead of your position B the wind has blowing from the starboard side C a tug is made up to the starboard bow D there is shallow water enroute to the berth 28 A ship has a displacement of 11,000 tons Calculate the shift of G if a weight of 1000 tons is removed from a point 60 meters from the original center of gravity? A 4.0 m B 3.0 m C 5.0 m D 6.0 m 29 What is the probable effect of exposure to high concentration of petroleum gas (toxic)? I It could lead to paralysis II It could be lead to insensibility A II only B I only C Neither I nor II D I and II 30 Which of the following refers to the depth of petroleum product in a tank? A Thiefage B Outage C Ullage D Innage 31 Which of the following terms describes goods having a stowage factor at or below 40? A Deadweight B Measurement C Heavy lift cargo D Full and down 32 What is the displacement in tons for a box-shaped vessel 200m in length, 30m breadth floating in SW at even keel draft of 9.0 m? A 55, 370 tons B 55, 340 tons C 55,350 tons D 55,360 tons 33 Length overall (L.O.A) is measured _ A from the hawsepipe to the aft perpendicular B from the forward most part pf the vessel to the aftermost part of the ruddet C from the forward most to the aftermost part of the vessel D from the forward perpendicular to the aft perpendicular 34 Generally speaking, the most favorable bottom for anchoring is; A rocky B a mixture of mud and clay C loose sand D very soft sand 35 A ship's previous trim was 45 cm by the head If MTC is 135-tonnes-meter and the LCF is amidship, how many tons should be loaded in the position 40 meters aft of amidship to end up at even keel A 6075 B 5400 C 135 D 152 36 When a vessel is swinging from side to side off course due to quartering seas, the vessel is; A pitchpoling B broaching C yawing D rolling 37 Panting beams are located in the; A after double bottoms B centerline tanks on tankships C forward double bottoms D fore and after peaks 38 The projecting lugs of the rudder post which furnish support to the rudder are called; A rudder lugs B bases C gudgeons D pintles 39 The function of lubricating oil is to _ A reduce bearing wear B maintain constant temperature output at each bearing C reduce friction between moving surfaces D reduce the accumulation of harmful detergents\ 40 A wedge of water building up between the bow and the nearer bank which forces the bow out and away describes; A Bank cushion B Bank suction C Bend effect D Combined effect 41 Which of the following is Not a function of the scrubber of an inert gas system? A Remove particulate matter like soot B Maintain pressure in the tanks C Cool the inert gas D Remove chemical impurities 42 At a given draft, a ship of 120 meters length and 15 meters beam has a coefficient of fineness of the waterplane of 0.770 What is her T.P.C at this draft A 14.50 t B 14.30 t C 14.20 t D 14.00 t 43 A weight of 500 tons is loaded into a ship so that its center of gravity is 10 meters from that of the ship Find the shift of G if the ship's original displacement was 300 tons A 1.50 m B 1.30 m C 1.40 m D 1.20 m 44 Flame screens are used to; A protect firefighters from flames B prevent flames from entering tanks C Contain flammable fumes D Keeps flames and sparks from getting out of an engine's exhaust system 45 As a ship moves through the water, it causes a wake, which is also moving forward relative to the sea In addition to a fore and aft motion, this wake also has a/an; A Upward and outward flow B Downward and inward flow C Downward and outward flow D Upward and inward flow 46 Litmust paste is used in order to determine; A the tanks datum point B innage C ullage D thiefage 47 A ship has a fresh water allowance of 185 mm and a summer draft of 8.52 m Find the draft to which she may load in river water of density 1007 tonnes /m3 A 9.65 m B 8.65 m C 6.65 m D 7.65 m 48 A vessel has a maximum allowable draft of 10.3 meters in salt water and fresh water allowance of 30 centimeters If the water density of a loading berth is 1.016 to what draft can she load to reach her marks when at sea? A 10.19 meters B 10.41 meters C 10.48 meters D 10.14 meters 49 The space above the engine room is called the; A fidley B middle hatch C noble D 10.14 meters 50 The plimsoll mark on a vessel is used to; A locate the vessel's centerline B align the vessel's tail shaft C determine the vessel's freeboard D determine the vessel's trim 51 Your vessel is taking on cargo oil when a small leak develops in the hose You order the pumping stopped Before you resume pumping, you should; A place a large drip pan under the leak and plug the scuppers B notify the terminal superintendent C repair the hose with a patch D replace the hose 52 A box-shaped barge has a draft of 1.12 m in salt water when she is fully loaded To what draft could she load in water of 1.015 tonnes/m3? A 1.23m B 1.13m C 1.33 m D 2.13m 53 Generally speaking, you are best able to keep a vessel under steering control when the vessel has; A no way on with engines full ahead B headway C sternway D no way on with engines stopped 54 The distance between rivets in a row is known as the; A arm B pitch C rivet distance D gage 55 Most fire and explosions occur in fuel tank; A during fueling when fuel strikes fuel already in the tank B during fueling when the fuel first strikes the tank bottom C shortly after fueling when the fuel vapors gather D when underway as the fuel is moved by wave action 56 In vessel construction, the garboard strake is; A located next to and parallel to the keel B another term for the rub rail C located next to and parallel to the gunwale D another term for the bilge keel 57 A "gypsy" is a; A spool-shaped drum fitted on a winch B swinging derrick C small reciprocating stream engine D punt used for painting over the side 58 When a boat turns broadside to heavy seas and winds, thus exposing the boat to the danger of capsizing, the boat has; A Broached B Trimmed C Pitchpoled D Yawed 59 The most favorable condition to encounter when, you dock your vessel is when the wind and current are; A crossing your course in the same direction B parallel to the pier from ahead C crossing your course in opposite directions D setting you in the pier 60 Why are concentrates considered to be dangerous cargoes? A Concentrates tend to run out flat and will tend to move again at sea B Concentrates are extremely unstable C Concentrates are extremely heavy cargo D Concentrates have an angle of repose more than 35 degree 61 A small quantity of ethyl mercaptan is added to LPG to give it a characteristic; A color B pressure C density D warning odor 62 The ratio of the height of a vessel with a height of a vessel's rudder to its width is reffered to as the; A aspect ratio B steering C constriction ratio D rudder ratio 63 When maneuvering a vessel with a right-hand screw and the rudder Amidship, it should be remembered that the vessel will back; A to starboard B downstream, the stern going in the direction of the current C in a straight line directly astern D to port 64 Fifteen tons is lifted by a derrick, the head of which is 15 meters above the original position of the weight, in a ship of 1250 tons displacement and KG 3.10 meters What will be the new KG when the weight has been lifted through a distance of meters? A 2.98 m B 3.58 m C 3.98 m D 3.28 m 65 A hygroscopic cargo is defined as a cargo; A That will ignite in contact with water B Capable of giving off moisture in the form of a liquid C That is shipped in a liquid state D Capable of absorbing moisture in the form of a gas 66 Ship A is going from Africa to Boston in January with general cargo Given the following information; outside temperature 14 celsius: outside dew point 12 celsius; hold temperature 17 celsius, hold dew point 15 celsius; sea temperature 13 celsius, which of the following is/are Correct? A none of these B re-circulating and try to bring hold dew point below the temperature of the ship's side C if "B" is not done, ship sweat will result D re-circulating and try to bring hold dew point below the temperature of the ship's side and if "B" is not done ship sweat will result 67 What is the purpose of check valve? A Permits flow in one direction only B Regulates liquid flow C Passes air but not liquid D Passes liquid but not air 68 A flanged plate fitted over an air port on the ship's outside shell to prevent water from entering the port is a; A shade B copper plate C brow D cover plate 69 A welded joint's effectiveness is considered; A 48% B 90% C 100% D 121% 70 What is meant by term " broaching to"? A Having the vessel filled with water B Having the vessel head toward the sea C Running before a sea D Being turned broadside to the sea 71 The pivoting point of a fully loaded vessel with normal trim proceeding ahead at sea speed is; A two-thirds the length of the vessel from the bow B one-third the length of the vessel from the bow C right at the bow D one-half the length of the vessel from the bow 72 A ship which has a small moment of statical stability, one having a small metacentric height or righting lever is called A Stiff ship B Neutral Ship C Unstable ship D Tender ship 73 While underway, if one your crew members falls overboard from the starboard side, you should immediately; A apply left rudder B start backing your engines C position your vessel to windward and start recovery D throw the man a life preserver 74 Under which of the following conditions would a race-track turn be superior to a Williamson turn in a man overboard situation? A The sea water is very cold and the man is visible B The sea water is very cold and the man is visible C The wind was from astern on the original course D The man has been missing for period of time 75 Which of the following are the requirements regarding the delivery of gas by the inert gas system? A reducing oxygen content of tanks to less than 8% B reducing oxygen content of tanks to less than 8% and rate of delivery to be not less than 125% of maximum cargo discharge C rate of delivery to be not less than 125% of maximum cargo discharge D neither reducing oxygen content of tanks to less than 8% nor rate of delivery to be not less than 125% of maximum cargo discharge 76 You have your rudder right 20 deg and your engine running ahead slow after making two complete circles, which of the following could you measure? A Tactical diameter B Transfer C Kick F D Final diameter 77 How would you deal with returned empty cylinders of compressed inflammable gas? A to be treated as toxic B to be treated and carried as when it was full C to be treated as non-flammable G D valve must be opened to airate the cylinder 78 Wale shores would be used when drydocking a vessel with; A excessive trim B a list C excessive deadrise H D tublehome 79 When backing down with sternway, the pivot point of the vessel is about A one-third of the vessel's length from the stern B one-third of the vessel's length from the bow C amidship D at the bow 80 Reinforcing frames attached to a bulk-head on a vessel are called; A brackets B intercoastals C side longitudinals D stiffeners 81 Which of the following is Not an advantage of ship construction using, welded butt joints in: the shell plating? A Reduces frictional resistance B Reduces plate stress C Keeps practically 100% of tensile strength at the joints D Reduces weight 82 In a racetrack turn for a man overboard situation, the vessel is first steadied when how many degrees away from the original heading? A 60 deg to 70 deg B 90 deg C 180 deg D 135 deg 83 Which product is most likely to accumulate static electricity? A Residual fuel oil B Crude oil C Hard asphalt D Lubricating oil 84 Which of the following is/are the cargo characteristic/s which should be known to determine particular risks? A flow moisture point B relative density C temperature D angle of inclination 85 In relation to the turning circle of a ship, the term "kick" means the distance; A the ship moves sidewise from the original course after the rudder is first put over B gained in the direction of the original course C around the circumference of the turning circ D gained at right angles to the original course 86 A vessel's "quarter" is that section which is; A on either side of the stern B just aft the bow C abeam D dead astern 87 What is meant by "thiefing" a petroleum cargo? A Syphoning off a few barrels of petroleum for shipboard use B Adjusting the cargo figures to coincide with the draft C Determining the amount of water (if any) in each cargo tank D Reducing the gross cargo calculations to net amounts 88 The effect of wind on exposed areas of the vessel is most noticeable when the ship is: A turning B going slow ahead C backing D Lumber 89 The strake on each side of the keel is called a; A Garboard strake B Sheer strake C Insulation strake D Gatewood strake 90 When stripping a tank, excessive air in the suction line may cause; A loss of suction B an over pressurized C increase of suction D back pressure 91 Which cargo would require a dangerous cargo manifest? A Wheat B Cotton C Sugar D Lumber 92 It is the volume of the ship's hull between the water plane and the freeboard deck A Reserve bouyancy B Gross tonnage C Volume of displacement D Waterplane volume 93 You are on course 000 degrees T and put the rudder right 30 degrees In what direction will the transfer be measured? A 090 degrees T B 270 degrees T C 000 degrees T D 180 degrees T 94 Flammable liquids should have what kind of label? A White labels B Skull and crossbone C Red labels D Yellow labels 95 Signs of racking stresses generally appear at the; A junction of the frames with the beams and floors B bow and stern shell frames and plating C thrust bearing of the main shaft D garboard strake, at each side of the keel 10 272 273 274 275 276 277 278 279 280 D 86,400 You have a shipment of lumber Each piece is inches thick, inches wide and 15 feet long If 2,000 pieces are loaded, this is equal to _ board feet A 3, 240,000 B 156.25 C 270,000 D 22,500 In order to repair the sweat battens, you need to order 50 pieces of lumber of one inch x inches x 12 feet How many board feet should be ordered? A 43,200 B 300 C 360 D 3,600 A pile of lumber lying on the dock is said to be 7,200 board feet This is equal to one of the following dimensions : A 6ft x 60ft 20ft B 30ft x 20ft by 12 ft C 20ft x 18ft x 20ft D 3ft x 20ft x 10ft As a useful guide in case of flooding of the engine room, it is prudent to use _ permeability in calculating the flooded space A 60 B 70 C 80 D 90 This is the allowance given to the draft when vessel passes from fresh water of density 1000 kgs/m3 to sea water of density 1,025 kgs/m3 or vice versa A allowable increase B dockwater allowance C fresh water allowance D TPC A box-shaped vessel has a mean draft of 4.65mtrs in sea water What would be the approximate mean draft upon entering a port of relative density 1.012 ? A 4.59mtrs B 4.68mtrs C 4.61mtrs D 4.71mtrs A box-shaped vessel floats at a mean draft of 6.60 on departure from a loading port where the density is 1.010tons/mtr What will be her draft at sea? A 6.765mtr B 6.750mtrs C 6.590mtrs D 6.503mtrs A barge has a draft of 6.70mtrs in sea water of relative density 1.025 On arrival at the discharging port, the draft was observed to be 6.786mtrs What density is she in? A 1,015 kgs/m3 B 1012 kgs/m3 C 1,016kgs/m3 D 1,000 kgs/m3 A barge has a mean draft of 5.80mtrs in sea water of density 1.025 tons/m3 On docking, the mean draft became 5.945mtrs What is the dock water density? A 1,015 kgs/m3 B 1,1012kgs/m3 C 1,1016 kgs/m3 D 1,000 kgs/m3 30 281 You are on a box-shaped vessel about to enter a river At the mouth of the river where the relative density is 1.018, your draft was 5.80mtrs What would be the approximate keel clearance in the river dredged to a depth of 8.50mtrs if its density is 1.005 tons/m3 ? A 5.875 mtrs B 2.645 mtrs C 4.875mtrs D 4.645mtrs 282 You are on a box-shaped vessel about to enter a river At the mouth of the river where the relative density is 1.020, your draft was 4.88mtrs What would be the approximate keel clearance in the river dredged to a depth of 7.50mtrs if its density is 1.002 tons/m3 ? A 4.968 mtrs B 2.645 mtrs C 4.875mtrs D 2.532 mtrs 283 A vessel with a FWA 300mms has a draft of 6.80mtrs in density 1025 Find its approximate draft when docking to a berth of density 1008 kgs/m3 A 204mms B 19.4 cms C 7.004mtrs D 6.596 mtrs 284 A vessel with a FWA 350mms has a draft of 6.50mtrs in density 1025 Find its approximate draft when docking to a berth of density 1005 kgs/m3 A 280mms B 28.5 cms C 6.78mtrs D 6.22 mtrs 285 Find the TPC in sea water of a vessel whose length and breath of the waterplane at a particular draft are 127 mtrs and 22mtrs respectively Waterplane coefficient is 0.84: A 23.87 B 23.28 C 24.38 D 24.28 286 Find the TPC in sea water of a vessel whose length and breath of the waterplane at a particular draft are 130 mtrs and 23mtrs respectively Waterplane coefficient is 0.84: A 25.12 B 29.90 C 24.38 D 25.74 287 Your present mean draft at the loading port is 7.80 mtrs A cargo of 2,700 tons remains to be loaded If the TPC at this draft is 23, what would be your mean draft after all the cargoes have been loaded? A 7.92 mtrs B 7.98 mtrs C 8.97mtrs D 8.87 mtrs 288 At the start of loading operations, drafts fwd= 6.30mtrs, aft = 6.70 mtrs After loading, a mean draft of 7.25 mtrs was observed If TPC is 22, how much cargo was loaded? A 880 tons B 1,210 tons C 2,090 tons 31 D 1650 tons 289 At the commencement of loading at 0800H, draft fwd was 4.30mtrs, aft 4.50 mtrs The stevedores worked continuously till 1800H, at which time drafts were read as follows: fwd 4.65mtrs aft 4.75 mtrs If the TPC at this draft is 25, what is the rate of loading per hour? A 750 tons/hr B 75 tons per hour C 7.5 tons per day D 83 tons per hour 290 At the commencement of discharging at 0600H, draft fwd was 4.65mtrs, aft 4.75 mtrs The stevedores worked continuously till 1800H, at which time drafts were read as follows: fwd 4.30mtrs aft 4.50 mtrs If the TPC at this draft is 24, what is the rate of loading per hour? A 720 tons/hr B 72 tons per hour C 50 tons per hour D 80 tons per hour 291 The present draft is 8.20mtrs fwd and 8.60 mtrs aft You want to load at your maximum load draft of 8.88 mtrs If the TPC at this draft is 26, how much cargo remains to be loaded? A 1218 tons B 1228 tons C 1238 tons D 1248 tons 292 A box-shaped vessel of 60 mtrs long and 12 mtrs wide is loading in sea water How many tons is required to increase or decrease her mean draft by one centimeter? A 7.38 tons B 7.20 tons C 7.43 tons D 7.28 tons 293 A barge of 70 mtrs long and 14 mtrs wide is loading in fresh water How many tons is required to increase or decrease her mean draft by one centimeter? A 9.8 tons B 7.8 tons C 9.28 tons D 8.28 tons 294 A barge of 65 mtrs long and 12 mtrs wide is loading in sea water Which is true of the following? A it has a TPC of 7.995 in fresh water B to increase her mean draft by one cm., 7.995 tons should be discharged C to decrease her mean draft by one cm., 7.995 tons should be loaded D it has a TPC of 7.995 in seawater 295 A barge is 68 mtrs long and 10 mtrs wide Which is true of the following? I it has a TPC of 6.97 in seawater II to increase her mean draft by one cm., 6.97 tons should be loaded III to decrease her mean draft by one cm., 6.97tons should be discharged a I and II only b II and III only c I and III only d I, II and III 296 A rectangular tank on a tanker is 21 mtrs long, 26 mtrs wide and 18 mtrs deep Mean draft is 12.2 mtrs How much sea water will it accommodate if filled to full capacity? A 9828 tons B 10,074 tons C 6,661.2 tons 32 D 6,827.7 tons 297 A rectangular tank on a tanker is 21 mtrs long, 26 mtrs wide and 18 mtrs deep Mean draft is 14 mtrs How much oil of rel density 0.84 will it hold if filled to 97% capacity? A 8,255.5 tons B 6,097.8 tons C 6,228.3 tons D 8,007.8 tons 298 A rectangular tank on a tanker is 21 mtrs long, 26 mtrs wide and 18 mtrs deep Mean draft is 15 mtrs How much oil of rel density 0.84 does it contain if the ullage is 2.6 mtrs? A 8255.5 tons B 8,007.8 tons C 1,192.5 tons D 7,063.1 tons 299 A tank containing olive oil of rel.density 0.87 is 12mtrs long x 10mtrs wide x 14 mtrs deep At the start of discharging operation, the ullage was one meter After an hour, the same tank had an ullage of 1.9 mtrs How much oil was discharged? A 93.96 tons B 198.36 tons C 1,263.24 tons D 11,732.99 tons 300 A rectangular tank 10 mtrs long mtrs wide and 16 mtrs deep is loaded with diesel oil of 0.85 relative density If the ullage is 4.2 mtrs, what is the outage? A 1280.1 m3 B 1088.2 m3 C 944.1 m3 D 537.6 m3 301 If reefer space are not properly cleaned prior to loading cargoes, it will most likely cause: A Malfunction of refrigeration machinery B Contamination of the insulation of the space C Mold to develop on commodities D Refrigeration temperature will not be attained 302 Intact buoyancy is term used to described: A An intact space below the surface of a flooded area B The volume of all intact spaces above the waterline C An intact space which can be flooded without causing a ship to sink D The space at which all the vertical upward forces of buoyancy are considered to be concentrated 303 The term “CARGO TANK LENGTH” as used in part 157 of the Pollution Regulations, means the: A Diagonal measurement of a cargo tank B Greatest distance between two opposite cargo tank bulkhead C Length of any individual cargo space, from bulkhead to bulkhead D Length from the collision bulkhead to the forward bulkhead of the machinery space 304 A container vessel carrying a container which is displaying a hazardous cargo placard displaying the number 2285 this indicates that it is carrying what cargo? A Furan B Phosphine C Isoheptene D Hexanols 305 The collision bulkhead is: A Amidships forward of the engine room B Just forward of the steering compartment C In the engine room 33 D 5% to 15% of the waterline length abaft the stem at the load waterline 306 Which of the following actions would best increase the transverse stability of a merchant vessel at sea? A Positioning a heavy lift cargo on the main deck B Deballasting the deep tanks C Ballasting the double bottom tanks D Raising the cargo booms to the upright position 307 Your vessel has a displacement of 19,800 tons It is 464 feet long, and has a beam of 64 feet You have timed its full rolling period to be 21.0 seconds What is your vessel’s approximate GM? A 1.6 ft B 1.1 ft C 1.8 ft D 1.3 ft 308 Your vessel is floating in water or density 1010 The water allowance is inches How far below her marks may she be loaded so as to float at her mark in salt water of density 1025? A 4.8 inches B 3.2 inches C 6.4 inches D 8.0 inches 309 If a vessel is loaded in such a manner that she is said to be sagging what kind of stress is placed on the sheer strakes? A Tension B Backing C Compression D Thrust 310 The term “bollard pull” refers to a towing vessel’s: A Towing winch capability B Propulsion horse power available C Pulling ability at cruise power D Pulling ability under static conditions 311 Your vessel is damaged and is listing to port The rolling period is short There is sufficient freeboard so that deck edge submersion is not a problem What corrective action should be taken first in regards to the vessel’ s stability? A Press up any slack double bottom tanks to eliminate free surface B Jettison topside weights to reduced KG and KB C Flood any empty double bottom tanks to add weight low down D Shift any off center weights from port to starboard 312 Shell plating that has curvature in two directions and must be heated and hammered to shape over specially prepared forms is called: A Flat plate B Furnaced plate C Compound plate D Rolled plate 313 You are loading 465,000 barrels of cargo oil At 0900, you find that you have loaded 207,000 barrels At 1030, you find that you have loaded 223,000 barrels If you continue loading at the same rate, you will finish at approximately: A 2100 that night B 0730 the next day C 1215 the next day D 0910 the next day 34 314 A tanker loads at a terminal within the tropical zone She will enter the summer zone six days after departing the loading port She will burn off 45 tons / day and daily water consumption is tons.How many tons may she load above her summer load line? A 270 B 291 C 318 D 278 315 Which of the following would have the GREATEST effect on a vessels longitudinal strength? A Grounding damage to the bilge strake, just aft of midships B Extensive corrosion to the centerline deck plating C Collision damage to the bow, forward of the collision bulkhead D Damage to the side shell, midway between the bilge and the stringer plate 316 What is the stowage factor of a commodity whose density is 15 pounds per cubic foot? A 15 B 149 C 45 D 133 317 What is the shift in the longitudinal center of gravity if 200 short tons are discharged from 30 feet forward of amidships with LCG 1.5 feet forward of amidships, and the vessel’s displacement is 9,000 short tons? A 0.65 foot aft B 0.65 foot fwd C 0.62 foot aft D 0.71 foot fwd 318 From a distance 50 feet from the ship centerline a load of 75 tons is lifted The displacement including the cargo is 6000 tons and has feet GM What will be the list of the vessel while the cargo is held on suspension? A 5.94 degrees B 5.4 degrees C 5.0 degrees D 6.50 degrees 319 A cargo of oil has a coefficient of expansion of 0005 per degree F if this cargo is loaded at 70 °F, and a cargo temperature of 90°F is expected at the discharge port, how many barrels would you expect to unload if you loaded 10,000 barrels? A 10,010 B 9,990 C 9,900 D 10,100 320 A 7,000 ton displacement tank ship carries two slack tanks of alcohol with a S.G of 0.8 each tank is 50 ft Long and 30 ft Wide What is the reduction in GM due to free surface with the vessel floating in sea water, S.G is 1.026? A 0.36 ft B 0.46 ft C 0.72 ft D 0.82 ft 321 500 tons have shifted 20 feet transversely What is the shift in the center of gravity if your vessel is displacing 16,000 tons? A 1.25 feet B 625 feet C 5.00 feet D 2.00 feet 35 322 Close link chain of not less than ¾” (or the wire rope equivalent) is required for lashing deck cargoes of timber What size of flexible wire rope would provide the strength equivalent to ¾” chain, using a safety factor of 5? A 1” B 9/16” C 3/8” D ¼” 323 The flash point of a product is 100°F What can happen if it is heated above 110°F? A It may burn and explode if an ignition source is present B It will become less volatile and easier to handle C It will boil off to the atmosphere D None of the above 324 An inert gas system installed on a tanker is designed to: A Force toxic and explosive fumes from a cargo tank vent to the outside temperature B Aid in the stripping and cleaning of cargo tanks C Increase the rate of discharging cargo D Lower the oxygen level inside cargo tank, making explosion nearly impossible 325 A cargo of 10,000 barrels of gasoline is loaded at a temperature of 90° F, and a cargo temperature of 55° F, is expected on this voyage It has a coefficient of expansion of 0006 How many barrels would you expect to discharge at your destination? A 9790 B 10210 C 10410 D 9994 326 The perforated elevated bottom of the chain locker which prevents the chains from touching the main locker bottom, and allows seepage water to flow to the drains is called a: A Draft B Harping C Cradle D Manger 327 At any given draft the TPI of a vessel can be found by dividing the area of the water plane by: A 240 B 420 C 120 D 460 328 What terms indicate the rise in height of the bottom plating from the plane of the base line? A Deadrise B Camber C Molded height D Sheer 329 If you are bunkering and you close off one tank in the line of tanks being filled, the rate of flow to other tanks on the same line will: A Decrease B Increase C Stop D Remain constant 330 In order to minimize the effects of a tender vessel, when carrying a cargo of lumber, you should: A Maximize your deck load B Distribute lumber so that those stowing most compactly per unit of weight are in the upper holds C Place the heaviest wood in the lower holds D Keep the vessel’s frame spaces free from lumber 36 331 Aboard ship, vertical flat plates running transversely and connecting the vertical keel to the margin plates are called: A Girders B Inter coastal C Floors D Stringers 332 The joint formed when two steel shell are placed longitudinally side to side is called a: A Butt B Bond C Bevel D Seam 333 Ten triangular piles of piping on the pier are to be loaded-each pile has a 20 foot base, is 15 feet high and 30 feet long If the breadth of the hold is 60 feet and the piping is to be stowed fore and aft in a 30 foot space, how high will it stow? 334 335 336 337 338 A 50.5 feet B 25.0 feet C 16.6 feet D 75.0 feet How many board feet of dunnage would you estimate to be in a pile feet wide, foot high and 14 feet long? A 70 B 840 C 960 D 1080 Which problem is virtually impossible to detect during an in-service inspection of used anchor chain? A Loose studs B Elongation C Cracks D Fatigue The system of valves and cargo lines in the bottom piping network of a tank vessel that connects one section of cargo tank to another section is called a: A Run about B Crossover C Come along D Manifold You have approximately 14 tons of cargo on deck What will be the shift in the center of gravity after you shift the cargo to the hold vertical distance of feet? Your total displacement is 210 tons: A 0.3 feet B 0.2 feet C 0.5 feet D 0.4 feet Gasoline having a coefficient of 0006 per degree Fahrenheit is loaded at 60°F The voyage anticipated temperature is up to 74°F Allowing for expansion how many barrels should be loaded in a tank capable of taking 10,000 barrels A 9916 barrels B 10,084 barrels C 10,000 barrels D 9958 barrels 37 339 An orange colored smoke signal or three detonating luminous signal fired at intervals of one (1) minute mean: A To embark here is very dangerous B This is the most suitable place to disembark C Man in the buoy D We see you, we will provide help as soon as possible 340 When snaking cargo into the wing of a hold with the cargo winch, the runner should be leaded from the: A Heel block to a snatch block B Lizard to a snatch block C Head block to a snatch block D Winch to a snatch block 341 Bulkheads which form part of the tanks are stiffened to withstand: A Deck loads from above B Over-pressurization C Hydrostatic pressure D Dynamic forces while afloat 342 A vessel is carrying 24,000 barrels of oil for discharge The cargo hose have an inside diameter of eight inches The container around each loading manifold must hold: 343 344 345 346 347 A Three barrels B Eight barrels C Four barrels D Six barrels You are lifting a – ton weight with a single whip rove on a swinging boom set at an angle 20° to the horizontal Use the formula for the size of a shackle with a safe working load and determine the minimum size shackle that should be used to secure the head block to the boom A 3/8 inch B ¾ inch C /58 inch D ½ inch You must load as much of a large shipment of case goods as possible into a hold which has 24,000 cubic feet of space Each case measures feet by 2-1/2 feet by feet and weights 448 pounds If you allow for broken stowage of 15 % how many long tons can be loaded? A 280 B 190 C 204 D 233 What term indicates the midships portion of a vessel that has a constant cross section? A Middle body B Amidships C Half length D Molded length Lubricating oil is supplied to the crank in bearings in a marine diesel engine by: A splash B internal crankshaft passages C immersion in oil D injection lubrication With which of the following types of diesel engine arrangements in a waste heat boiler most likely to produce the maximum steam pressure temperature and flow condition? A supercharge, loop scavenged diesel engine B turbocharged, crossflow scavenged diesel engine C supercharged, four stroke/ cycle diesel engine D turbocharged, return flow diesel engine 38 348 A leaking diesel engine fuel injector will cause: A greater fuel economy B prolonged maintenance C improved atomization D incomplete combustion 349 When preparing to light off a cold boiler equipped with a return flow fuel oil system, the recirculating valve directs the flow of oil: A directly to the fuel oil heater inlet for further warm-up B back to the fuel oil settler for further filtration C directly to the deep tanks D back to the suction side of the service pump 350 You have steamed 1134 miles at 10 knots, and consumed 121 tons of fuel If you have to steam 1522 miles to complete the voyage, how many tons of fuel will be consumed while steaming 12 knots? A 146 tons B 234 tons C 200 tons D 189 tons 351 During the lighting of a small automatic auxiliary boiler, the sensing element indicates ignition failure, and the flame safeguard control will: A active the standby atomization compressor immediately B go immediately to the air purge C provide a trial for ignition period, that will not exceed 90 seconds D immediately relight if less than 4second has elapsed 352 The most common cause of the scale formation in an auxiliary boiler is: A improper treatment of the feedwater with calcium sulfate B fuel oil is in the feedwater C concentration of calcium sulfate in the boiler water D excessive feedwater alkalinity 353 Lube oil accumulating in the cooling system of a diesel engine will result in: A mechanical lubricator failure B lube cooler failure C poor heat transfer D camshaft seizure 354 You have steamed 632 miles at 18.5 knots and consumed 197 tons of fuel If you have 278 tons of usable fuel remaining, how far can you steam at 15.0 knots? A 6810 miles B 1357 miles C 1100 miles D 0892 miles 355 You have steamed 142 miles and consumed 15.0 tons of fuel If you maintain the same speed, how many tons of fuel will you consume while steaming 472 miles? A 36.5 tons B 61.4 tons C 49.9 tons D 53.8 tons 356 The exhaust system for turbocharged diesel engine functions to: A power the turbocharger B reduce the cylinder scavenge effect C power the after coolers D cool the turbocharger 357 If the pitch of the propeller is 20.1 feet, and the revolutions per day are 118,178, calculate the days run allowing 6% negative slip: A 367.2 miles B 381.6 miles C 414.1 miles D 398.4 miles 39 358 A pulsating flame, accompanied by a burner developing black smoke in an auxiliary boiler, is an indication that the: A electrode setting is correct B fuel oil pressure is too low C ignition current D fuel nozzle is correctly positioned 359 You are turning 93 RPM, with a propeller pitch of 25 feet, and an estimated slip of 0% What is the speed of advance? A 20.2 knots B 21.9 knots C 22.9 knots D 22.4 knots 360 Prior to lighting off a cold automatically fired auxiliary boiler, you should: A blow down the gauge glass B close the air cock when fires are lighted C check and regulate the water level D crack the steam stop to assure protective steam flow 361 You are steaming at a speed of 10.5 knots and consuming barrels of fuel oil per hour If you increase speed to 11knots, what will be your new consumption? A 8.0 barrels B 7.3 barrels C 9.1 barrels D 7.7 barrels 362 You are approaching a steamer that is broken down and are preparing to take her in tow Before positioning your vessel to pass the towline, you must: 363 364 365 366 A Secured the better end of the towing hawser to prevent loss if the tow is slipped B Install chafing gear on the towline C Compare the rate of drift between the ships D Have traveling lizards rigged to guide to towline which it is paged off You are stopped with no way upon your vessel at the pilot station, your vessel is a large twin screw ship, you must come around 180° to board your pilot How should you use the engines and rudder to turn the ship fastest in the least amount of space? A fuel ahead on one engine and full astern on the other B full ahead on the engines and hard over rudder C half ahead with hard over rudder, then full astern on inboard engine D slow ahead with hard over rudder While your vessel in docked portside to a wharf, a sudden gale force wind crosses the vessels bow lines to part The bow begins to fall away from the deck and tugs are immediately available, which measures should you take first? A slip the stern lines and let the vessel drift into the river and then anchor B let go the starboard anchor C obtain assistance and put new lines D call the master and the deck gang In twin screw engine installation while going ahead, maneuvering qualities are most effective when the tops of the propeller blades both turn: A turn to starboard B turn to port C turn outboard from the center D turn inboard from the center You are approaching a pilot station with the wind fine on the starboard bow and making about knots You can help to calm the seas by taking what action just before the pilot boat comes along on the portside? A stopping the engines B a short burst of ahead full with left full rudder C giving right full rudder D backing full 40 367 You are on watch at sea on course 090° A man falls overboard on your starboard side, you immediately start a Williamson turn Which step is out of order? A come right full until the vessel leads 150 deg T B continue with left until on course 270 deg T C shift the helm to the left full rudder D stop the engines until clear of the man 368 When anchoring in a clay bottom, what is one hazard that my cause the anchor to drag? A The flukes may dig in unevenly and capsize the anchor under stress B The flukes may not dig in C The anchor may get shod with clay and not develop full holding power D The anchor will tend to dig in and come to rest near the vertical 369 When carrying a fuel on nearly full load of bulk ore in a general cargo type vessel which has engine spaces amidships the cargo in each hold should be trimmed so that the bulk of ore cargo lies: A toward the after bulkhead of the forward holds and the forward bulkhead of the after holds B toward the forward bulkhead of the forward holds and toward the after bulkhead of the after hold C along the centerline D toward the after bulkhead of all holds 370 What precaution should be in mind when maneuvering a steam vessel? A instant reversing B the backing power is low in reacting C idle for few seconds D powerful 371 You are in a containership Which of the following statements about the stowage of hazardous materials in containers is TRUE? A a refrigerated container with a fuel tank containing a flammable liquid must be stowed on deck B the containers provide automatic segregation of hazardous materials except for class A explosives C package liquids within a container should be stowed on top of packages of solids to prevent crushing D all packages within a container must be mark this end up to indicate correct 372 You are in the process of loading 465,000 barrels of cargo oil At 1030, on November 5, you gauge the vessel and find that you have loaded 203,000 barrels At 1200, you find that you have loaded 218,000 barrels If you continue loading at the same rate, you will finish at approximately: A 1104, November B 1242, November C 1510, November D 0735, November 373 When stripping a tank, excessive air in the suction line may cause: A Back pressure B Loss of suction C An over pressurized line D Increase of suction 374 How many tons of salt water can be loaded in a flat-ended cylindrical tank with a diameter of 4.5 feet and length of feet? A 7.27 B 3.64 C 1.82 D 14.54 41 375 Using a safety factor of five, determine what is the safe working load for ½ inch Manila line with a breaking stress of 4.9 tons: A 0.98 tons B 2.45 tons C 0.82 tons D 12.25 tons 376 What is the volume of a sphere with a radius of feet? A 523.60 cu ft B 4,188.00 cu ft C 129.62 cu ft D 65.44 cu ft 377 The tendency of flammable liquid to vaporize is indicated by its: A Flammable range B Ignition temperature C Flash point D Convection index 378 A tank holds 400 tons of sea when filled How many tons of liquid of specific gravity 0.9300 will it hold when filled to 90 percent capacity: A 343.2 B 377.6 C 326.6 D 390.2 379 One of the principal dangers inherent in liquefied petroleum gas is: A The strong odor it produces B As it warms up it becomes heavier than air C Its low temperature causes frostbite or freezing D The way it reacts with sea water 380 Hygroscopic cargo is defined as a cargo: A Capable of absorbing moisture in the form of a gas B Capable of giving off moisture in the form of a liquid C That is ship in a liquid state D That will ignite when in contact with water 381 A vessel proceeding from a very cold to a warm climate with a cargo of a non-hygroscopic nature in the hold Which of the following would be true? A There is danger of heavy cargo sweat if outside air is introduced by ventilation B There is little danger of ships sweat, slight possibility of cargo sweat, moderate ventilation is needed C Danger of heavy ship sweat exists, constant and vigorous ventilation is required D The possibility of any sweat problem, either cargo or ship is remote 382 Reid vapor pressure is: A Exerted by liquid cargo on the sides of a tank B A measurement of the amount of flammable vapor given off by a liquid of a certain temperature C The lowest temperature and pressure that will cause a flammable liquid to give off vapor D Exerted by liquid cargo on a cargo hose only 383 The lower hold of your vessel has a bale capacity of 52,000 cu ft you will load a cargo of cases, each weighing 380 lbs and measuring feet by feet by feet The estimated broken space is 15 percent How many tons of cases can be loaded? A 625 tons B 161 tons C 137 tons D 969 tons 42 384 On a cargo crane the boom indicator tells the operator what angle the boom angle is compared to the: A Vertical position B Boom stop angle C Minimum radius angle D Horizontal position 385 When counter flooding to correct a severe list aggregated by an off-center load, your vessel suddenly takes a list or trim to the opposite side You should: A Continue counter-flooding in the same direction B Immediately stop counter-flooding C Continue counter-flooding, but in the opposite direction D Deballast from the low side 386 You are in fresh water port loading logs with your gears rated at tons and you suspect that the weight of the log exceeds the SWL of your cargo gears The logs are floating alongside your vessel and have 95 percent of the volume submerged The average diameter is 4.4 feet What is the nearest average weight of the logs on average measurement? A 7.7 tons B 5.5 tons C 6.0 tons D 24.1 tons 387 Your vessel has grounded on a bar Which of the following should you do? A Run the engine full astern to keep from being set further onto the bar B If you cannot get clear immediately, lighten the ship by pumping all ballast overboard C Switch to the high suction for condenser circulating water if it is submerged D All of the above 388 “Limber” is a term associated with: A Emergency gear B Drainage C Securing gear D Deck cargo storage 389 Combustible gas indicators detect flammable gases, or vapors present in the atmosphere by an intricate system which includes: A Measuring the vapor volume B B Burning the vapors C Metering the vapors D Weighing the vapors 390 Which of the following will improve stability? A Pumping the bilges B Loading cargo on deck C Closing watertight doors D Consuming fuel from a full tank 391 You are standing the wheel watch when you hear the cry “ Man overboard starboard side” You should be ready to: A Put the rudder amidships B Give full right rudder C Give full left rudder D Throw life ring to mark the spot 392 To rigidly fasten together the peak frames, the stem, and the outside framing, a horizontal plate is fitted across the fore peak of a vessel The plate is known as a (an): A Intercoastal plate B Breast hook C Apron plate D Joiner 43 393 On a tanker designed to carry multiple chemical product is schedule to load a cargo classed as on AROMATIC AMINE This cargo is incompatible with cargoes classed as: A Ketones B Organic Anhydrides C Phenols D Esters 394 The sheering stresses on a ship’s structure are usually GREATEST at: A The bow B Midships C The stern D The ship’s quarter-length points 395 Which is NOT an advantage of double bottoms? A The floors and longitudinals disturb the upward push of the water on the ship’s bottom B The center of gravity of a loaded bulk cargo ship may be raised to produce a more comfortable roll C The tank top forms a second skin for the vessel D They are less expensive to construct because of increased access space 396 Mousing a cargo with marline or small line: A Protects the hook from the sling ring B Prevents the sling ring from coming out of the hook C Increase the lifting capacity of the hook D Prevents undue strain on the sling ring 397 The procedure of strengthening damaged bulkheads by using wood or steel is called: A Blocking B Bracing C Battening D Shoring 398 The shipping papers for the products being carried in tanker ships vessels are not required to contain: A Grade of the cargo B Exact quantity of the cargo C.Location of delivery point D Name of the consequence 399 During cargo operations, your vessel has developed a list due to the center of gravity rising above the transverse metacenter To correct the list, you should: A add weight in the lower holds or double bottoms B shift weight to the centerline C shift weight to the high side D remove weight from the lower holds or double bottom 400 On a break bulk cargo, you are loading cylinders of acetylene Which of the following is true: A The cylinders must have red label for flammability and a green label for compressed to be the equivalent of “on” deck stowage B Stowage in the upper tween deck is considered to be the equivalent of “on deck stowage” C The cylinders must be stowed at least 10 horizontal feet from corrosive materials in the same place D The cylinders may be protected from the radiant heat of the sun by laying a trap on them 44 [...]... particular draft are 127 mtrs and 22 mtrs respectively Waterplane coefficient is 0.84: A 23 .87 B 23 .28 C 24 .38 D 24 .28 28 6 Find the TPC in sea water of a vessel whose length and breath of the waterplane at a particular draft are 130 mtrs and 23 mtrs respectively Waterplane coefficient is 0.84: A 25 . 12 B 29 .90 C 24 .38 D 25 .74 28 7 Your present mean draft at the loading port is 7.80 mtrs A cargo of 2, 700 tons remains... travels: A 100 ft/minute B 110 ft/minute C 120 ft/minute D 130 ft/minute 22 6 As a useful guide when maneuvering to a dock, a vessel moving at 2 kts travels: A 20 0 ft/min B 21 0 ft/min C 21 0 ft/min D 23 0 ft/min 22 7 A one knot current has approximately the same effect on a given surface area as a: A 10-knot wind B 15-knot wind C 20 -knot wind D 30-knot wind 22 8 A bow thruster is usually quite effective... Mean draft is 12. 2 mtrs How much sea water will it accommodate if filled to full capacity? A 9 828 tons B 10,074 tons C 6,661 .2 tons 32 D 6, 827 .7 tons 29 7 A rectangular tank on a tanker is 21 mtrs long, 26 mtrs wide and 18 mtrs deep Mean draft is 14 mtrs How much oil of rel density 0.84 will it hold if filled to 97% capacity? A 8 ,25 5.5 tons B 6,097.8 tons C 6 ,22 8.3 tons D 8,007.8 tons 29 8 A rectangular... of loading per hour? A 720 tons/hr B 72 tons per hour C 50 tons per hour D 80 tons per hour 29 1 The present draft is 8 .20 mtrs fwd and 8.60 mtrs aft You want to load at your maximum load draft of 8.88 mtrs If the TPC at this draft is 26 , how much cargo remains to be loaded? A 121 8 tons B 122 8 tons C 123 8 tons D 124 8 tons 29 2 A box-shaped vessel of 60 mtrs long and 12 mtrs wide is loading in sea water... pitching 26 9 The bodily motion of a body from side to side is termed: A heaving B surging C swaying D yawing 27 0 A one cubic foot block of wood is equal to _ board feet A one B twelve C none of these D insufficient dimension 27 1 A vessel will load 20 piles of wood Each pile is 6 feet high, breadth is 6 feet and length is 10 feet This is equal to _ board feet A 600 B 88,600 C 8800 29 27 2 27 3 27 4 27 5 27 6 27 7... 27 3 27 4 27 5 27 6 27 7 27 8 27 9 28 0 D 86,400 You have a shipment of lumber Each piece is 3 inches thick, 3 inches wide and 15 feet long If 2, 000 pieces are loaded, this is equal to _ board feet A 3, 24 0,000 B 156 .25 C 27 0,000 D 22 ,500 In order to repair the sweat battens, you need to order 50 pieces of lumber of one inch x 6 inches x 12 feet How many board feet should be ordered? A 43 ,20 0 B 300 C 360 D... If the TPC at this draft is 23 , what would be your mean draft after all the cargoes have been loaded? A 7. 92 mtrs B 7.98 mtrs C 8.97mtrs D 8.87 mtrs 28 8 At the start of loading operations, drafts fwd= 6.30mtrs, aft = 6.70 mtrs After loading, a mean draft of 7 .25 mtrs was observed If TPC is 22 , how much cargo was loaded? A 880 tons B 1 ,21 0 tons C 2, 090 tons 31 D 1650 tons 28 9 At the commencement of loading... FWA 300mms has a draft of 6.80mtrs in density 1 025 Find its approximate draft when docking to a berth of density 1008 kgs/m3 A 20 4mms B 19.4 cms C 7.004mtrs D 6.596 mtrs 28 4 A vessel with a FWA 350mms has a draft of 6.50mtrs in density 1 025 Find its approximate draft when docking to a berth of density 1005 kgs/m3 A 28 0mms B 28 .5 cms C 6.78mtrs D 6 .22 mtrs 28 5 Find the TPC in sea water of a vessel whose... tons/m3 ? A 5.875 mtrs B 2. 645 mtrs C 4.875mtrs D 4.645mtrs 28 2 You are on a box-shaped vessel about to enter a river At the mouth of the river where the relative density is 1. 020 , your draft was 4.88mtrs What would be the approximate keel clearance in the river dredged to a depth of 7.50mtrs if its density is 1.0 02 tons/m3 ? A 4.968 mtrs B 2. 645 mtrs C 4.875mtrs D 2. 5 32 mtrs 28 3 A vessel with a FWA... degrees C C 120 degrees C D 100 degrees C 21 9 The prewash procedure for ships carrying solidifying substances shall be a hot water wash at a temperature of at least: A 60 degrees C B 80 degrees C C 100 degrees C D 120 degrees C 22 0 The safest way of stowing cargo in drums in the cargo hold is stowing them: A in a fore and aft manner B athwartship manner C ends on (upright) D Any of these 22 1 When carried