CÂU HỎI TRẮC NGHIỆM CHUYÊN MÔN CHO SỸ QUAN QUẢN LÝ 6

F2 - CARGO HANDLING AND STOWAGE A chock or support cut to fit the curvature of a cask at its quarters is called _ A a chime B a stave C a quoin D dunnage A container vessel of 15,000 tons displacement is approaching her berth at a speed of knots Its block coefficient is 0.79 Calculate the value of squat? A 0.07 m B 0.14 m C 0.21 m D 0.21 m A most important consideration in loading cardboard cartons is to keep the tiers A level B staggered at different levels C dunnaged D straight and clean A port mark shows; A where the cargo is coming from B where the cargo is going C the name of the consignee D the name of the shipper A rectangular tank on a tanker is 21 m longitude, 26 m wide and 18 m deep Mean draft is 15 m How much oil or relative density 0.84 does it contain if the ullage is 2.6 m? A 8,255.5 tons B 8,007.8 tons C 1,192.5 tons D 7,063.1 tons A reel; I Should be stowed on its side whenever possible II If not possible to stow flat, stow it with its axis running athwartships A I only B II only C I and II D None of the above A ship displaces 6800 tons and is listed 8º to stbd Her KG is 6.15 m and her KM is 7.20 m Calculate the weight of cargo to load into the port wing of the hold, at a distance of 12 m from the centerline, in order to make the vessel upright? A 53.6 tons B 63.6 tons C 73.6 tons D 83.6 tons A term applied to a fore and aft girder running along the side of the ship and also to the outboard strike of plating: A stringer B keel C frames D chamber A term generally used to designate one of the transverse ribs that make up the skeleton of a ship A keel B frame C shell plating D garboard strake 10 A vessel is "listed" when it is: A down by the head B inclined due to the wind C inclined due to an off-center weight D down by the stern 11 A vessel is steaming near the coast of West Africa when it was accidentally grounded due to an error navigation This is known as: A ditching B stranding C grounding D beaching 12 A vessel with a FWA 300 mms has a draft of 6.80 in density 1025/m³ kg Find its approximate increase in draft when docking to a berth of density 1008 kgs/m³? A 204 mms B 19.4 cms C 7.004 m D 6.596 m 13 As a rough estimate occurs at the maximum deck edge immersion A Angle of heel B vanishing angle C angle of loll D maximum angle 14 As a rule of thumb when maneuvering to a berth, a vessel moving at knot travels: A 100 ft/minute B 110 ft/minute C 120 ft/minute D 130 ft/minute 15 Bilge-free stowage means A stowing a cask on supports to raise its bilge free of the deck B casks must not be stowed in the bilges C regulations prohibit stowage in the bilge of a vessel D the bilge of a cask must be clear of all sharp objects 16 By definitions, a "Spar Deck' is the: A lower most continuous deck broken by water tight B upper or weather deck above the main strength deck C after most weather deck above the main strength deck D deck of light construction below the main or strength deck 17 If the result of loading a vessel is an increase in the height of the center of gravity, there will always be an increase: A righting moment B righting arm C metacentric height D vertical moments 18 If the VCG of the ship rises 1.7 feet, the GZ for the various angles of inclination will: A increase B decrease C be changed by the amount of GG' X cosine of the angle D remain unchanged 19 If the vessels summer draft is 6.70 m, moulded depth is 12.3 m, what is her tropical freeboard? A 6.6 m B 5.46 m C 5.6 m D 5.74 m 20 If two falls are attached to each other at the after end of the hatch, a boom is rigged in a fore and aft line through: A at right angle to the boom when viewed from above B abreast the keel C forward of the spider band D aft of the keel 21 In a Burton rig, the dock boom can also be called the: A hatch boom B offshore boom C stay boom D yard boom 22 In a general cargo ship, bales of Linen or Fabric should not be stowed together with sacks of tea because: A tea could damage the linen by staining B tea could contaminate the linen C tea is a food item D tea could damage the fabric by tainting 23 In shipping, the tendency of certain goods to self-destruct by spontaneous heating, wasting, rotting, fermentation: A included danger B latent risk C latent defect D inherent vice 24 In the presence of external forces, the center of buoyancy of an inclined vessel is vertically aligned with the: A metacenter B center of gravity C center of flotation D keel 25 Initial metacentric height cannot be used as an indication of stability for angles of over about 15º since _ A the metacenter then ceases to exist B center of gravity moves downward C KM is too high due to list D the metacenter moves upward 26 Intact buoyancy is a term used to describe: 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 27 Lightening holes cut out of a solid floor allow for which of the following? I Access during construction and maintenance of the double bottom II A saving weight A I only B II only C Both I and II D Neither I nor II 28 Mousing a cargo with marline or small line: A protects the hook from the sling ring B prevents the sling ring from coming any of the hook C increase the lifting capacity of the hook D prevents undue strain on the sling ring 29 Multiplying the mass of an object by its distance from the baseline results in the moment of that object A longitudinal B transverse C vertical D righting 30 Open or partially opened hatches should not be: A lighted B covered with tarpaulins C provided handrails or stanchions D provided with warning sign 31 Petroleum product having a flash point of 140º Fahrenheit and above are known us _ A flammable B combustible C volatile D non-volatile 32 Proper stowage for cardboard cartons is A brick fashion, with an upper carton resting on two cartons below it B where one carton rests directly on top of another C with the large cartons on the bottom and small ones on top D with small cartons placed on top of and inside the perimeter of the top of large cartons 33 Segregating a cargo of finished lumber is best done by _ A laying rope yarns athwartship B painting stripes across the different cargo blocks C wire and staples D chalk or a marking pen 34 Shoring under a deck load is usually required when the deck load exceeds how many pounds per square foot? A 200 B 350 C 500 D 100 35 Stowage containers for immersion suits must not be; A stored on top of lockers B capable of being locked C constructed of fiber glass D installed on open deck areas 36 The of a space is the percentage of a space which can be occupied by water A permeability B saturation point C flooding percentage D water fraction 37 The amount of work done in inclining a ship to a given angle of list is _ A statical stability B initial stability C dynamical stability D range of stability 38 The bodily motion of a vessel in an up and down manner is termed: A heaving B surging C swaying D yawing 39 Where will be the center of gravity of a cargo compartment filled with general cargo with heavier items stowed on the bottom? A One-half the height of the compartment above its deck B One-third the height of the compartment above its deck C One-quarter the height of the compartment above its deck D At the top of the compartment 40 A barge has a draft of 6.70 m in sea water of relative density 1.025 On arrival at the discharging port, the draft was observed to be 6.786 m What density is she in? A 1,015 kgs/m B 1,012 kgs/m C 1,016 kgs/m D 1,000 kgs/m 41 The curvature of the deck in the longitudinal direction A sheer B camber C baseline D freeboard 42 The force acting on a single cargo runner which is vertically lifting or lowering a load will be greatest when: A decelerating when raising the load B decelerating when lowering the load C raising the load at constant speed D raising the load at constant speed 43 The internal volume of a cargo hold measured from the inside faces of the cargo battens, to tank top ceiling and to underside of the beams; A Gross tonnage B Deadweight space C Bale cubic D Stowage area 44 The oscillating of a vessel on her longitudinal axis is termed as: A draft B pitching C yawing D heaving 45 The perforated elevated bottom of the chain locker which prevents the chains from touching the main locker bottom A draft B harping C cradle D manger 46 The pre-wash procedure for ships carrying non-solidifying substances which have a viscosity equal to or greater than 25 mPa at 20º C is hot water wash of at least: A 60º C B 80º C C 100º C D 120º C 47 The tendency of flammable liquid to vaporize is indicated by its: A flammable range B ignition temperature C flash point D convection index 48 The term "ceiling" and "margin plate" are associated with the: A Main deck B Engine room C Crew's quarter D Tank top 49 The time required to incline from port to starboard and back to port again is called: A inclining moment B range of stability C initial stability D rolling period 50 What is the spot about which the ship rotates during a turn about one-third oft from the bow? A Center point B Pivot point C Tactical point D Turning point 51 What percent of cargo in international trade moves by container ship? A Under 25% B Under 50% C Under 75% D 75% or over 52 What precaution must you take when setting a heavy lift on deck if it exceeds the deck load capacity? I Place dunnage under it to disperse the weight II Shore up in the area where it is to be placed A I only B II only C I and II D None of the above 53 What type of rudder may loose its effectiveness at angles of 10 or more degrees? A Unbalance B Contra-guide C Flat plate D Balance 54 What type of substance or chemical is used for fumigation called rat-roofing? A Potassium cyanide B Carbon monoxide C Sodium flouracetate D Potassium nitrate 55 When carried at a lower temperature than required, bananas are chilled At higher temperature, they ripen What is the carrying temperature of bananas? A 11.3º C B 12.2º C C 13.3º C D 14.3º C 56 When counter flooding to correct a severe list aggregated by an off-center load your vessel suddenly takes a list, 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 lowside 57 When using a multiple-part wire rope, tackle such as purchase on a jumbo boom, the greatest load occurs with: A the hauling part because it must absorb the frictional looses of all the sheaves B the parts of the movable blocks C all the parts, dividing the load equally D the standing part because it is directly connected to the weight 58 Which of the following could result in an incorrect oxygen concentration reading on the oxygen indicator? A Exposure to carbon dioxide for no more than minute B None of the above C Exposure to a very low concentration of sulfur dioxide for no more than minutes D Exposure to carbon dioxide for more than 10 minutes 59 Which of the following is (are) correct concerning the purpose of frame? I To maintain the ship original form II To direct provide longitudinal and transverse strength A I only B II only C Both I and II D Neither I nor II 60 Which of the following statement is True on a vessel damaged with significant list and trim and list slowly? I The vessel can be saved if further flooding is stopped II The vessel will probably capsize from loss stability due to change in waterplane area A I and II are false B I and II are true C Only II is false D Only I is true 61 Which of the following statement is/are True or False? I Propeller efficiency decreases with smaller diameter of propeller II Propulsive efficiency is highest for the single screw A Only I is true B I and II are false C I and II are true D Only II is false 62 Which of the following will improve stability? A Pumping the bilges B Loading cargo on deck C Closing the watertight doors D Consuming fuel from a full tank 63 Which type of hull damage should be repaired first: A damage to interior watertight boundaries B damage in way of machinery room C damage below the water line D damage at or just above waterline 64 With a following sea, a vessel will tend to: A pound B heave to C reduce speed D yaw 65 You are loaded with bundles of steel from Yokohama to Manila On passing Northern Luzon, the dew point of the ambient air was observed to be higher than the dew point inside the cargo hold, under this condition, should you ventilate? A Yes, the hold should be ventilated vigorously B Yes, but only if the air is free of moisture C No, because steel products not require air D No sweat will form on the steel bundles 66 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 5.80 m What would be the approximate keel clearance in the river dredged to a depth of 8.50 m if its density 1.005 tons/m³? A 5.875 m B 2.645 m C 4.875 m D 4.645 m 67 "Beam Filling" refers to; A distributing cargo in the wings of cargo holds and in the twin decks B stowing beams in the spaces between other cargo C cargo, like small packages, that can conveniently fill the empty spaces between beams D stowing cargo athwartship 68 The _ is an imaginary line, 75 mms below the bulkhead deck It is assumed that the ship which is sunk to this line would still be navigable in fine weather A deck line B margin line C statutory line D surge line 69 "Advalorem Cargo" is cargo A carried at a freight that reflects its true value B worth the same as the freight rate charge C worth the same as the freight rate charge D none of the above 70 "Long Hatch is; A when disproportionate amount of cargo for one port is stowed under anyone hatch B a hatch with a large opening to accommodate cargo such as pipe and railroad C a hatch over 13 meters in length D a hatch whose length is the same as the length of the cargo hold 71 "Optional Cargo" refers to cargo that; A may or may not be carried B may be all or partly discharged at one or more ports C the shipper may substitute for another D maybe carried either on deck or below deck 72 "Overstowing" cargo occurs when; A one cargo prevents unloading another cargo and must be moved before unloading can continue B one commodity is stowed above another C more cargo is accepted than the vessel can carry D excess cargo must be stowed on deck 73 A barge 70 m long 12 m wide with a depth of m has an amidship compartment 15 m long, filled with cargo whose permeability is 45% She is on even keel at 5.80 m Calculate the increase in draft if this compartment is bilged? A 0.62 m B 0.78 m C 0.95 m D 0.68 m 74 A barge 70 m long, 12 m wide with depth of m has an amid ship compartment 15 m long, filled with cargo whose permeability is 35 % She is on even keel at 6.10 m Calculate the draft if this compartment is bilged? A 6.69 m B 6.60 m C 6.95 m D 7.68 m 75 A bow thruster is usually quite effective at speeds of: A knots or less B knots or less C knots or less D knots or less 76 A box-shaped vessel 45 m long, 10 m wide and m deep is floating at a mean draft of 6.2 m in a dock where the density is 1.010 tons/m³ Find its displacement? A 2,818 tons B 3,600 tons C 3,636 tons D 2,790 tons 77 A box-shaped vessel floats at a mean draft of 6.60 on departure from a loading port where the density is 1.010 tons/m³ What will be her draft at sea? A 6.765 m B 6.750 m C 6.590 m D 6.503 m 78 A container vessel of 12,000 tons displacement is approaching her berth at a speed of knots Its block coefficient is 0.78 Calculate the value of squat? A 0.12 m B 0.25 m C 0.30 m D 0.36 m 79 A box shape vessel of 60 m long and 12 m wide is loading in seawater 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 80 A one cubic foot block of wood is equal to _ board feet A One B none of these C twelve D insufficient dimension 81 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 82 A plate used vertically in the bottom of a ship running athwartship from bilged usually on every frame to: A floor B intercostals plates C double bottom D frames 83 The tendency of a solid or liquid substance to pass into the vapor state at a given temperature is known as the _ A flammability B condensation C volatility D sublimation 84 A rectangular tank on a tanker is 21 m long, 26 m wide and 18 m deep Mean draft is 12.2 m How much oil relative density 0.84 will it accommodate if filled to full capacity? A 10,074 tons B 9,828 tons C 6,827.7 tons D 6,661 tons 85 A rectangular tank on tanker is 21 m long, 26 m wide and 18 m deep Mean draft is 14 m How much oil of relative density 0.84 will it hold if filled to 97% capacity? A 8,255.5 tons B 6,097.8 tons C 8,007.8 tons D 6,227.8 tons 86 A relief valve for a cargo pump is generally installed: A after the suction valve B between the pump and discharge valve C after the discharge valve D between the pump and the suction valve 87 A ship 80 m long, 18 m wide and 12 m deep is floating in fresh water The length and breadth of the water plane at a draught of 4.5 m is 78 m and 16 m respectively What is the vessel's displacement if block coefficient is 0.82? A 4,605.1 tons B 14,169.5 tons C 4,720.2 tons D 14,169.6 tons 88 A ship displaces 6100t and is listed 7º to stbd Her KG is 6.20 m and her KM is 7.00 m Calculate the weight of cargo to load into the port wing of the hold, at a distance of 13 m from the centerline, in order to make the vessel upright A 46 tons B 56 tons C 26 tons D 36 tons 89 A ship's water plane has ordinates If the length of the water plane is 60 mtrs What is the common interval (h)? A m B 12 m C 15 m D 10 m 90 A vessel loaded with steel coils is coming from Panama to Vancouver On passing North California, the holds were ventilated What happens under these circumstances? A Cargo sweat will occur in the hold B The cargo will partly experience sweat C No cargo sweat will occur D Amount of dew will increase 91 A vessel loading cargo at the anchorage suddenly takes a list to port due to the center of gravity rising above the metacenter Which of the following is the best action to correct the list? A Discharge a center double bottom tank B Discharge a full double bottom tank on the portside C Discharge a full double bottom tank on the starboard side D None of these 92 After measuring the length to which shoring should be cut, you should cut the shore: A Approximately 1/3 inch longer per foot of shoring to allow for wet expansion B Approximately ¼ inch shorter per foot of shoring to allow for wet expansion C Approximately 1/5 inch shorter per foot of shoring to allow for wet expansion D Approximately ½ inch shorter per foot of shoring to allow for wet expansion 93 Boxes of bananas are loaded in Puerto Limon bound for Rotterdam What happens when a carrying temperature of 10º Celsius is maintained throughout the voyage? I Bananas are chilled II Black spots spear under the peeling III Bananas will ripen A I only B I and III C Both I and II D I, II and III 94 Buckler plates are: A metal plates secured over the tops of the hawse pipe B metal plates use for closing Panama fairlead C metal plates for closing the anchor chain passage D metal plates on the top of the spurling pipe 10 264 Providing you are not in a special area, such as Mediterranean or Red Sea, how many nautical miles from land must you be throw wooden dunnage in the sea? A 25 nm B nm C 12 nm D nm 265 You are to load a bagged cargo in the lower hold of a ship equipped with side bilges The first layer of dunnage should be laid down _ A In a fore and aft pattern B At an angle to the keel, with the forward end inboard C Diagonally across the entire hold D At an angle to the keel, with the forward end outboard 266 A crack in the deck plating of a vessel may be temporarily prevented from increasing in length by A drilling a hole at each end of the crack B cutting a square notch at each end of the crack C slot-welding the crack D welding a doubler over the crack 267 A cargo that has a stowage factor over 40 is known as a A hygroscopic cargo B measurement cargo C weight cargo D stowage cargo 268 Cargoes that might leak from containers are known as A dirty cargoes B caustic cargoes C wet cargoes D bulk cargoes 269 What term indicates the midship portion of a vessel that has a constant cross section? A Middle body B Amidship C Half length D Moulded length 270 Before a tank is crude oil washed, the oxygen content in the tank must be measured at a position A immediately above the level of the oil B one meter from the deck C at the top of the tank D in the vent riser 271 One major advantage of the load-on-top system is that A discharge time significantly reduced B corrosion within the cargo tanks is reduced C oil that was previously lost is recovered D multiple-product ships can use it without contamination problems 272 Which of the following is required to be stenciled at the heel of a cargo boom? A Date of the last guadrennial test B Safe working load C Maximum angle of elevation permitted D Maximum load when doubled up 273 The ability of a material to undergo permanent changes in shape without rupture or loss of strength It is particularly important when metals undergo forming process manufacture A hardness B tensile strength C toughness D ductibility 29 274 When working cargo with a button or married fall arrangement, the part of the cargo gear most likely to fall would be the: A gooseneck B boom C topping lift D guy 275 The definition "A" mixture of hydrocarbon products composed predominately of propane, butane, butylene or butadiene which is liquefied by compression at normal atmospheric temperature for storage, transportation and handling refers to A LPG B Grade A products C Grade B products D LNG 276 A ship is lying at the mouth of a river in water of density 1,024 kgs./m³ and the displacement is 12,000 tons The ship is to proceed up river and to berth in dock water of density 1008 kgs./m³ with the same draft as at present Find how much cargo must be discharge? A 193.0 T B 187.5 T C 195.7 T D 189.6 T 277 During oil transfer operations, who would be responsible to make sure that posted transfer procedure are followed? A The senior able seaman B The tankerman C The designated person in charge D The oiler 278 If we shift oil so that the trim and KG of the ship remain the same but free surface correction for the fuel oil tanks is reduced, what happens to the GM? A GM is decreased B GM remains the same C GM is increased D GM can either increase or decrease 279 You are fuelling your vessel in U.S territory when you notice oil in the water around your vessel You should immediately stop fuelling and _ A leave the area B notify the U.S Cost Guard C begin cleanup operations D notify the Corps of Engineers 280 What is meant by "thieving" a petroleum cargo? A Determining the amount of water (if any) in each cargo tank B Adjusting the cargo figures to coincide with the draft C Siphoning off a few barrels of petroleum for shipboard use D Reducing the gross cargo calculations to net amounts 281 If additional weight is added above the center of gravity, the vessel will: A Reduce righting moments B All of these C Reduce reserve buoyancy D Increase GM 282 In order to reduce the accumulation of static electricity while loading petroleum products such as crude oil or gasoline, you should: A increase the initial flow rate B use the overall method of loading only C decrease the initial flow rate D increase the air flow into the tank 30 283 The difference between the forward and after drafts is called; A Mean draft B Parallel sinkage C Change of trim D Trim 284 A term applied to a fore and aft girder running along the side of the ship and also to the outboard strake of plating on any deck A frames B keel C stringer D camber 285 What is the primary hazard other than fire damage associated with a class C fire? A susceptible to reflash B electrocution or shock C deep seated fire D explosion 286 What is the area of a circle with a radius of feet after a sector of 111º has been removed? A 3.90 sq ft B 8.67sq.ft C 34.77sq ft D 50.27sq ft 287 When weight of 800 lbs is suspended what is the stress on the hauling part when using a gun tackle rove to least advantage? A 480 lbs B 347 lbs C 400 lbs D 320 lbs 288 It is a form of longitudinal deformation under stress by which the middle part of the vessel structure sinks below the extremities A sagging B racking C hogging D tension 289 A general purpose electrode which is an almost pure mineral form of titanium oxide giving a good finishing or sound weld A hydrogen-controlled electrodes B putile electrodes C flux coated mild steel electrodes D none of these 290 A partially full tank causes a virtual rise in the height of the: A center of floatation B metacenter C center of buoyancy D center of gravity 291 If you are loading fruit in reefer spaces and you notice that the fruit is beginning to mold, you should: A write up exceptions on the cargo B carry the cargo at a cooler temperature than originally planned C refuse to carry the cargo D discharge C02 into the compartment after loading 292 When a purchase is rove to advantage this means: A the hauling part comes from the moving block B the mechanical advantage is increased by one C the number of sheaves in the purchase does not change D all of these 31 293 If methane is forecast or detected when carrying a cargo of coal: I Provide surface ventilation using natural ventilation only since mechanical ventilation could create sparks II On no account should air be directed into the body of the coal as this could promote self heating A I only B Both I and II C II only D Neither I nor II 294 Cargo transfer operations on a tank vessel need not be discontinued when: A a large, fresh oil spill is discovered immediately adjacent to the side of the tanker B there is an electrical storm in the vicinity C a tug comes alongside while the tanker is loading grade D and E cargoes D all of these 295 Pinching of cargo hose between barge and dock should be prevented by: A tying off the topping lifts and runners to which heads B adjusting the hose supports C all of these D laying out an excess length of hose on deck 296 Coast Guard regulations require that electric and electrohydraulic steering gear motors shall be: A provided with motor-running over current protection device B protected by a circuit breaker and thermal overload device C served by two electric power feeder circuits D served by a single two-conductor cable 297 The prevention of corrosion may be broadly considered in two forms, one is: A electro-chemical method B application of protective coating C cavitation D erosion 298 F.W.A (Fresh Water Allowance) of means; A A vessel may submerged her FW loadline so that she will float at a desired draft in water having any density B A vessel will increase her draft when going from FW to SW C None of these D A vessel may submerge her SW loadline so that she will float at a desired draft in FW 299 Which of the following is (are) not correct concerning the principal use of floor and intercoastal plate? I It serves as the storage space for fuel ballast II It is outer watertight covering of the hull A I only B II only C Both I and II D Neither I nor II 300 What size of a bilge pump is required for a lifeboat which has a capacity of 675 cubic feet? A B C D 301 The larger sizes of manila line are measured by their _ A radius B diameter C circumference D weight per foot 32 302 The "lay" of a line refers to A its normal location of a stowage B the direction of twist in the strands C the manner in which it is coiled D the manner in which it is rigged 303 An advantage of nylon rope over manila rope is that nylon rope _ A can be used in conjunction with wire or spring-lay rope B can be stored on decks exposed to sunlight C can hold a load even when a considerable amount of the yarns have been abraided D gives audible warning of overstress whereas manila does not 304 The ultimate or maximum strength of a wire rope is referred to as the _ A operating strength B working load C breaking strength D lifting load 305 A mooring line that prevents a vessel from moving sideways away from the dock is a _ A bow line B breast line C stern line D spring line 306 On the cargo manifest, the gross weight of a box containing cargo is the weight of the A cargo B box C cargo and box D rate weight 307 On the cargo manifest, the total weight of an empty cargo box is the _ A tare weight B net weight C gross weight D cargo weight 308 The periodic weight testing of a vessel's cargo booms may be performed by the _ A U.S Coast Guard B American Bureau of Shipping C National Cargo Bureau D Society of Naval Architects and Marine Engineers 309 The process of lowering a boom to a horizontal position and into its deck support is called _ A spotting the boom B collaring the boom C cradling the boom D toppling the boom 310 The maximum theoretical stress that can be developed on a guy in a yard and stay rig is limited by the A lifting capacity of the winch B location of the boom C position of the guy D weight of the load 311 Which vessel is most likely to be loaded full but not down? A A bulk carrier loaded with a heavy ore B A bulk carrier loaded with steel C A break bulk vessel loaded with palletized cargo D A tanker loaded with heavy grain 33 312 There is a large shipment of case goods available to be loaded on your vessel You are to load as many tons as possible in a hold which has 32,300 cubic feet left unfilled by cargo Each case measures 2-feet high by 2-feet wide by 4-feet long and weighs 500 pounds If you allow a broken stowage allowance of 10% of the 32,300 feet, what is the nearest whole number of tons which may be loaded? A 324 tons B 360 tons C 363 tons D 406 tons 313 The lower hold of your vessel has a bale cubic of 52,000 cu ft You will load a cargo of cases, each weighing 380 lbs and measuring ft x ft x ft The estimated broken stowage is 15% How many tons of cases can be loaded? A 137 tons B 161 tons C 625 tons D 969 tons 314 What is the area of a circle with a radius of 21 feet after a sector of 120° has been removed? A 115.45 ft B 230.91 ft C 461.81 ft D 923.63 ft 315 What is the area of a circle with a diameter of feet after a sector of 60° has been removed? A 0.25 square ft B 0.2 square ft C 2.09 square ft D 2.62 square ft 316 How many tons of salt water can be loaded into a flat-ended cylindrical tank with a diameter of 4.5 feet and a length of feet? A 1.82 tons B 3.64 tons C 7.27 tons D 14.54 tons 317 What is the volume in a cone with a base diameter of feet and a height of feet? A 100.53 ft B 131.39 ft C 172.72 ft D 197.39 ft 318 Sour crude oil _ A contains high quantities of hydrogen sulfide B is diluted with other products for carriage C is lighter than other crudes D is less hazardous to load than other crudes 319 Which statement is Not true concerning precautions during fueling operations? A All engines, motors, fans, etc should be shut down when fueling B All windows, doors, hatches, etc should be closed C A fire extinguisher should be kept nearby D Fuel tanks should be topped off with no room for expansion 320 Oil may Not be transferred unless _ A there are two certificated tanker men on each vessel B the vessel is equipped with constant-tension winches C discharge containment equipment (i.e drip pans) are in place D all of the above 34 321 Bonding cables are used during cargo transfer to A provide safe electrical power connection to barge equipment B keep the vessel from surging excessively C prevent an accidental discharge of static electricity D secure the cargo hose to a hatch when loading "overall" 322 To allow for the rise or fall in tide and for change in draft of a tankship during cargo transfer, cargo hoses must be suspended with A slings or saddles placed at 25-foot (8 meter) intervals B enough slack in their bight C topping lifts and runners tied off to winches D all of the above 323 A relief valve for a cargo pump is generally installed A after the discharge valve B between the pump and discharge valve C after the suction valve D between the pump and suction valve 324 What is Not an advantage of centrifugal pumps over reciprocating pumps? A They pump more cargo in less time B They are smaller for equivalent pumping ability C They are less expensive D They require priming for stripping 325 A deep well pump is a type of A screw pump B centrifugal pump C eductor D gear pump 326 The complete details of a crude oil washing system aboard your vessel, including the operating sequences and procedures, design characteristics, a description of the system, and required personnel will be found in the _ A Oil Transfer Procedure Manual B Crude Oil Washing Operations and Equipment Manual C Code of Federal Regulation D Crude Oil Washing addendum to the Certificate of Inspection 327 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 0910 the next day D 1215 the next day 328 A tanker is loaded with 5,000 barrels of petroleum The cargo was loaded at a temperature of 70°F, and the coefficient of expansion is 0004 What is the net amount in barrels of cargo loaded? A 4800 B 4980 C 5020 D 5200 329 Your tanker vessel is loading a hazardous cargo The allowance for expansion is based on ambient temperatures of what maximum range? A 0°C to 100°C B -10°C to 90°C C -18°C to 46°C D -40°C to 50°C 35 330 You are on a tankship carrying benzene in bulk Which statement is True? A No other cargoes may be carried due to the possibility of contamination by a carcinogen B The crew quarters must have positive-pressure ventilation to prevent the fumes from entering the living spaces C Personnel taking samples are required to wear protective gloves resistant to benzene D Personnel working in regulated areas must use respirators 331 Which cargo would require a dangerous cargo manifest? A Cotton B Wheat C Sugar D Lumber 332 A "dangerous cargo manifest" is needed for you to carry a combustible cargo You should obtain the shipping papers to make this "manifest" from the _ A Manufacturer B ABS C Coast Guard D Shipper 333 You are on a containership carrying a tank container that had been filled with sodium hydroxide solution The container is empty but has not been cleaned Which, if any, placard is required? A No placard is required; the tank openings must be sealed B Empty placard with corrosive placard C Residue label with the UN number D Black and white corrosive placard 334 What entry on a dangerous cargo manifest concerning the classification of a cargo is correct? A Class B Class - flammable liquid C Division 2.2 - nonflammable gas D All of these are correct 335 The designations A, B, C, D, and E grades of cargo refer to the _ A degrees of quality of petroleum products B flash point range and Reid vapor pressure index of petroleum products C grades of crude oil D pour point, color, and viscosity index of petroleum products 336 For the purpose of regulating tank vessels, flammable liquids are liquids which will A give off flammable vapors at or below 80°F (27°C) B have a Reid vapor pressure of 18 pounds or more C give off flammable vapors only above 80°F (27°C) D sustain combustion at a temperature at or below 100°F (38°C) 337 How you determine the weight of the vessel that is supported by the ground when a vessel has run aground? A This requires extensive calculation and is usually performed only by a naval architect not by a ship's officer B Determine the point where aground and the draft at that point, then calculate it using the grounding formula C Use the hydrostatic tables and enter with the mean draft before grounding and the mean draft after grounding D Use the inclining experiment formula and substitute the change of trim for the angle of list 338 Signs of racking stresses generally appear at the A bow and stern shell frames and plating B junction of the frames with the beams and floors C garboard strake, at each side of the keel D thrust bearing of the main shaft 36 339 When planning the loading or discharging of a VLCC (100,000 DWT) what is the most important consideration? A Draft and trim B Limits of the bending moments C Rate of discharging D Rate of loading 340 The vertical motion of floating vessel is known as A surge B sway C heave D yaw 341 Rivets are usually made of A wrought – iron B aluminum C high - tensile steel D mild steel 342 After riveting is completed, the joints on the shell of a vessel are generally made watertight by _ A faying B caulking C felt or canvas packing D red lead 343 A large basin cut into the shore, close off by a caisson, and used for dry-docking of ship is known as a _ A slipway B graving dock C ground warp D caisson dock 344 The maximum length allowed between main, transverse bulkheads on a vessel is referred to as the A floodable length B factor of subdivision C compartment standard D permissible length 345 The term "scantlings" refers to the _ A draft of a vessel B measurements of structural members C requirements of ship's gear D placement of a vessel's loadline 346 What size of manila line is required to hold a weight of 932 lbs., if you use a safety factor of six? A 2.0" B 2.5" C 3.0" D 3.5" 347 Using a safety factor of five, determine what is the safe working load for 3-1/2 inch manila line with a breaking stress of 4.9 tons A 0.82 ton B 0.98 ton C 2.45 tons D 12.25 tons 37 348 What is the definition of transverse metacenter? A The distance between the actual center of gravity and the maximum center of gravity that will still allow a positive stability B The point to which G may rise and still permit the vessel to possess positive stability C The point to which G may rise and still permit the vessel to possess negative stability D The transverse shift of the center of buoyancy as a vessel rolls 349 At all angles of inclination, the metacenter is A vertically above the center of buoyancy B vertically above the center of gravity C at the intersection of the upright vertical centerline and the line of action of the buoyant force D at the geometric center of the underwater volume 350 The most important figure in calculating the free surface content of a tank carrying liquid is; A depth B length C displacement D breadth 351 A tank 36 ft by 36 ft by ft is filled with water to a depth of ft If a bulkhead is placed in the center of the tank running fore-and -aft along the 36 - foot axis, how will the value of the moment of inertia of the free surface be affected? A The moment of inertia will remain unchanged B The moment of inertia would be ¼ it's original value C The moment of inertia would be ½ the original value D None of the above 352 The effects of free surface on a vessel's initial stability Not depend upon the; A volume of displacement of the vessel B dimensions of the surface of the liquid C amount of liquid in slack tanks D specific gravity of the liquid in the tank 353 The change in weight (measured in tons) which causes a draft change of one inch is; A MT1 inch B ML1 inch C MH1 inch D TPI 354 Those ship's tanks that are particularly important for trimming the ship are the; A Domestics B Settlers C Deeps D Peaks 355 Your vessel displaces 497 tons The existing deck cargo has a center of gravity of 2.5 ft above the deck and weighs 24 tons If you load 18 tons of ground tackle with an estimated center of gravity of 18 inches above the deck, what is the height of the CG of the deck cargo A 1.86 ft B 2.07 ft C 2.35 ft D 2.76 ft 356 Your vessel has a displacement of 24500 tons It is 529 feet long and has a beam of 71 feet You have timed your full charged rolling period to be 25,0 seconds What is your vessel's approximate GM? A 1.25 feet B 1.56 feet C 1.98 feet D 2.43 feet 38 357 Your vessel's measures 126 feet (38 meters) long by 21 feet (6 meters) in beam If the natural rolling period at a draft of feet (2 meters) in seconds, what is the GM? A 2.4 feet (0.70 meters) B 2.8 feet (0.85 meters ) C 3.0 feet (0.90 meters) D 3.2 feet ( 0.98 meters) 358 Your vessel has a displacement of 100,000 tons It is 350 feet long and has a beam of 55 feet you have timed it's full rolling period to be 15.0 seconds What is your vessel's GM? A 1.4 feet B 1.83 feet C 2.60 feet D 3.36 feet 359 In order to check your vessel's stability, a weight of 40 tons is lifted with the jumbo boom, the boom head being 50 feet from the ship's centerline The clinometer is then carefully read and shows a list of 5° The vessel's displacement is 8,000 tons including the suspended weight What will be the metacentric height of the vessel at this time? A 2.74 feet B 2.80 feet C 2.86 feet D 2.93 feet 360 A ship is inclined by moving a weight of 30 tons a distance of 30 ft from the centerline A 28-foot pendulum shows a deflection of 12 inches Displacement including weight moved is 4,000 tons KM is 27.64 feet What is the KG? A 21.34 feet B 22.06 feet C 22.76 feet D 23.21 feet 361 Sixty tons of cargo are raised with a boom 45 feet from the centerline The vessel's displacement including the weight lifted is16,400 tons The angle of list caused by the suspended weight is 1.5° KM is 28.75 ft., and the BM is 17.25 ft What is the KG? A 11.65 feet B 22.46 feet C 23.15 feet D 23.82 feet 362 What is the reduction in metacentric height due to free surface when a tank 60 feet long and 30 feet wide is partially filled with salt water, and is fitted with a centerline bulkhead? (The vessel has a displacement of 10,000 tons.) A 0.1 foot B 0.8 foot C 1.0 foot D 1.2 feet 363 The liquid mud tanks on your vessel measure 18'L by 10'B by 6'D The vessel's displacement is 944 T and the specific gravity of the mud is 1.9 What is the reduction in GM due to of the tanks being slack? A .08 foot B .16 foot C .45 foot D .90 foot 364 Your vessel displaces 869 tons and measures 135'L x 33'B You ship a large wave on the after deck which measures 52'L x 33'B The weight of he water is estimated at 52.8 tons What is the reduction in GM due to free surface before the water drains overboard? A 5.12 feet B 4.83 feet C 5.46 feet D 5.85 feet 39 365 A vessel carries three slack tanks of gasoline (SG 68) The vessel's displacement is 8,000 tons Each tank is 50 ft long and 20 ft wide What is the reduction in GM due to free surface with the vessel floating in sea water (SG 1.026)? A 20 feet B 24 feet C 28 feet D 30 feet 366 Your vessel's draft is 16'-00" aft The MTI is 500 ft-tons How many tons of water must be shifted from the after peak to the forepeak, a distance of 250 feet, to bring her to an even draft forward and aft? The tipping center is feet abaft A 52 tons B 50 tons C 48 tons D 24 tons 367 A weight of 250 tons is loaded on your vessel 95 feet forward of the tipping center The vessel's MTI is 1000 ft-tons What is the total change of trim? A 11.90 inches B 18.75 inches C 23.75 inches D 38.01 inches 368 Your vessel has a forward draft of 26'-11" and an after draft of 29'-07" How many tons of cargo can be loaded before the vessel reaches a mean draft of 28'-06 inches if the TPI is 69? A 204 tons B 207 tons C 210 tons D 213 tons 369 A vessel's heavy displacement is 24,500 tons with light displacement of 13,300 tons Fully loaded it carries 300 tons of fuel and stores What is the vessel's deadweight? A 10,900 tons B 11,200 tons C 13,000 tons D 24,200 tons 370 When backing down with sternway, the pivot point of a vessel is _ A about one-quarter of the vessel's length from the stern B at the bow C about one-third of the vessel's length from the bow D aft of the propellers 371 Which mooring line prevents sideways motion of a vessel moored to a pier? A A line led forward from the bow B A line led aft from the bow C A line led in the same direction as the keel D A line led at a right angle to the keel 372 A heated bulkhead has the effect on a hygroscopic commodity of; A causing moisture to accumulate against the bulkhead B lowering the vapor pressure of the commodity C lowering the dew point of the air D raising the vapor pressure of the commodity 373 A claim for cargo damages may be held against the ship owner if such damage is the result of failure of the ship's officers to _ A correct all defects in the ship's construction B ensure the fitness and safety of cargo spaces C ensure the adequate packaging of the cargo D prevent delays due to quarantine restrictions 40 374 Overcarriage is best prevented by A assuming heavy cargo is stowed low in the vessel B checking the vessel's load line calculation carefully C inspection of the hold at completion of discharge D stowing the cargo which is to be discharged last on the bottom 375 Which factor must be considered when determining the order of loading of dissimilar products through the same piping system aboard a tanker? A Contamination of a cargo B Flash points C Reid vapor pressures D Specific gravities 376 Which products is most likely to accumulate static electricity? A Crude oil B Hard asphalt C Lubricating oil D Residual fuel oil 377 When discharging an oil cargo, the first consideration is to A get the bow up B discharge from the wings first C discharge from the centerline tanks first D discharge from amidships first 378 Your tank vessel is loaded down to her marks, and you find that she has too much trim by the stern To adjust the trim, you may A add ballast forward B load more cargo forward C shift bunkers forward D all of the above 379 In controlling pollution, which action should be taken after all dirty ballast has been transferred to the slop tank and prior to discharge through the oily-water pollution separator? A The clean tanks should be ballasted B The slops should be allowed time to settle C Chemicals should be added to emulsify the oil D The dirty ballast tank is crude oil washed 380 When cleaning a tank by the Butterworth process, you should begin to pump out the slops A at the end of the drop schedule B when the process is started C when the process is finished D when the tank is clean 381 You are on a vessel carrying liquefied butadiene in bulk Which document is Not required to be either in the wheelhouse or easily accessible to the person on watch while underway? A Cargo manual B Cargo information card C Certificate of Inspection D Shipping document 382 Most crude oils are classified as grade A A or B B B C C or D D E 383 Metal plates that cover the top of the hawse pipe are called _ A footings B plugs C buckler plates D stop waters 41 384 In relation to the turning circle of a ship, the term "kick" means the distance A around the circumference of the turning circle B gained at right angles to the original course C gained in the direction of the original course D or throw of a vessel's stern from her line of advance upon putting the helm hard over 385 The figure obtained by dividing the total volume of the ship in cubic feet (after omission of exempted spaces) by 100 is the A bale cubic B gross tonnage C light displacement D net tonnage 386 Angular motion about the vertical axis of a vessel is called A yaw B surge C sway D roll 387 The type of joint formed when an edge of one plate is laid over the edge of the plate to which it is riveted is a _ A grip joint B strap joint C thread joint D lap joint 388 The fore and aft run of deck plating which strengthens the connection between the beams and the frames and keeps the beams square to the shell is called the _ A garboard strake B limber strake C sheer strake D stringer strake 389 The terms "cant frame" and "counter" are associated with the vessel's A cargo hatch B forecastle C steering engine D stern 390 A cofferdam is _ A any deck below the main deck and above the lowest deck B a member that gives fore-and-aft strength C made by placing two bulkheads a few feet apart D a heavy-fore-and-aft beam under the deck 391 Which freeboard does not affect the required free board of a cargo vessel? A Season of the year B Geographic zone of operation C Density of the water D Condition of trim in normal operation 392 A vessel has a maximum allowable draft of 28 feet in salt water and a fresh water allowance of inches At the loading berth, the water density is 1,011 To what draft can she load in order to be at her marks when she reaches the sea? (The salt water density is 1,025.) A 27' 07.5" B 27' 08.5” C 28' 03.5” D 28' 04.5" 42 393 You must shift a weight from the upper tween deck to the lower hold This shift will _ A make he vessel more tender B make the vessel stiffer C increase in the rolling period D decrease the metacentric height 394 The geometric center of the underwater volume of a floating vessel is the center of _ A hydrodynamic forces B flotation C gravity D buoyancy 395 For a vessel inclined by the wind, multiplying the buoyant force by the horizontal distance between the lines of action of he buoyant and gravity forces gives the _ A righting moment B vertical moment C longitudinal moment D transverse moment 396 Transverse stability calculations require the use of _ A hog or sag calculations or tables B hydrostatic curves C general arrangement plans D cross-sectional views of the vessel 397 A vessel with a large GM will _ A have more resistance to listing in case of damage B have less tendency to have synchronous rolling C be less likely to have cargo shift D ride more comfortably 398 When the height of the metacenter is the same as the height of the center of gravity, the metacentric height is equal to _ A the height of the metacenter B the height of the center of gravity C the same as half the height of the metacenter D zero 399 The angle of the maximum righting arm corresponds approximately to the angle of _ A deck edge immersion B the load line C downflooding D loll 400 A vessel continually lists to one side and has a normal rolling period Which statement is true? A The vessel has negative GM B The center of gravity is on the centerline C The list can be corrected by reducing KM D The vessel has asymmetrical weight distribution 43 [...]... this compartment is bilged A 6. 79 m B 6. 80 m C 6. 62 m D 7.12 m 11 104 A barge has a mean draft of 5.80 m in sea water of density 1.025 tons/m³ On docking, the mean draft became 5.945 m What is the dock water density? 3 A 1,015 kgs/m 3 B 11,012 kgs/m 3 C 11,0 16 kgs/m 3 D 1,000 kgs/m 105 A barge is 68 m long and 10 m wide Which is true of the following? I It has a TPC of 6. 97 in seawater II To increase... A box-shaped vessel 65 m long, 10 m wide and 8 m deep is in port where the density is 1.0 16 tons/m³ If the displacement is 2,840 tons, what is its draft? A 4.30 m B 4.45 m C 4 .60 m D 4.75 m 109 A box-shaped vessel 65 m long and 8 m wide is floating at an even keel of 4 .62 m If the displacement is 3,027 tons, what is the relative density of the water where the vessel is in? A 1.0 16 B 1.014 C 1.011 D... whole number of tons which may be loaded? A 324 tons B 360 tons C 363 tons D 4 06 tons 313 The lower hold of your vessel has a bale cubic of 52,000 cu ft You will load a cargo of cases, each weighing 380 lbs and measuring 3 ft x 2 ft x 2 ft The estimated broken stowage is 15% How many tons of cases can be loaded? A 137 tons B 161 tons C 62 5 tons D 969 tons 314 What is the area of a circle with a radius... removed? A 115.45 ft B 230.91 ft C 461 .81 ft D 923 .63 ft 315 What is the area of a circle with a diameter of 2 feet after a sector of 60 ° has been removed? A 0.25 square ft B 0.2 square ft C 2.09 square ft D 2 .62 square ft 3 16 How many tons of salt water can be loaded into a flat-ended cylindrical tank with a diameter of 4.5 feet and a length of 8 feet? A 1.82 tons B 3 .64 tons C 7.27 tons D 14.54 tons... density is 1.018 tons/m³, the length and breath of the water plane at a draught of 6. 5 m is 78 m and 16 m respectively What is the vessel's displacement if block coefficient is 0.82? A 9,528.5 tons B 6, 771 .6 tons C 9,525.5 tons D 7,333.3 tons 114 A snatch block is a: A hinged block B block used only with manila rope C chock roller D strong block used for short, sharp pulls 115 A vessel is proceeding... to load at your maximum load draft of 8.88 m If the TPC at this draft is 26, how much cargo remains to be loaded? A 1,218 tons B 1,228 tons C 1,238 tons D 1,248 tons 153 The propeller is turning an average RPM of 75 with a pitch of 24 feet Calculate the engine distance traveled in one day? A 4 26. 3 nm B 462 .3 nm C 432 .6 nm D 425 .6 nm 154 The propeller is turning an average RPM of 75 with a pitch of 24... and hard over rudder D slow ahead with hard over rudder 191 A cylindrical drum, 3 m high, has a diameter of 1 .6 m Find the amount of sea water it contains if filled to full capacity? A 24.13 tons B 24.73 tons C 6. 13 tons D 6. 18 tons 192 Calculate the righting arm of a vessel whose GM is 0 .65 m when inclined at an angle of 12°? A 0.135 m B 0.253 m C 0.535 m D 0.355 m 193 The purpose of the inclining... method D any of these 1 96 The minimum temperature required to ignite gas or vapor without a spark or flame being present is called; A flash point B fire point C auto ignition temperature D lower explosive limit 21 197 A box-shaped vessel has a mean draft of 4 .65 m in sea water What would be the approximate mean draft upon entering a port of relative density 1.012? A 4.59 m B 4 .68 m C 4 .61 m D 4.71m 198 IMG... depending on the location of the LCG C increase D remain constant 248 Your vessel displaces 69 6 tons and measures 135' L by 34' B What is the reduction in GM due to free surface if the fish hold (32' L by 29' B by 9' D) is filled with 2.0 feet of water? (Each foot of water weighs 26. 5 tons) A 2.04 feet B 2.25 feet C 1. 96 feet D 2.48 feet 249 Your displacement tonnage is: A the amount of water the vessel... double bottom tank 263 A tonnage tax is levied according to the _ A gross tonnage of vessel B displacement tonnage of vessel C deadweight cargo tonnage abroad D net tonnage of vessel 28 264 Providing you are not in a special area, such as Mediterranean or Red Sea, how many nautical miles from land must you be throw wooden dunnage in the sea? A 25 nm B 3 nm C 12 nm D 6 nm 265 You are to load a