CÂU HỎI TRẮC NGHIỆM CHUYÊN MÔN CHO SỸ QUAN QUẢN LÝ 8

F4 – RADIO COMMUNICATIONS AND SAFETY Risk of collision is rule of the Rules of the Road A B C 11 D What is the required audibility range in nautical miles for vessel 20 meters but less than 75 meters in length? A miles B 1.5 miles C 1.0 mile D 0.5 mile What special distinguishing signal should a vessel engaged in laying or picking-up a submarine cable on navigational work should carry during the day? A Two shapes each and less than 0.6 meter in diameter one over the other not less than two meters apart in globular shape B Four shapes each and less than 0.6 meter in diameter one over the other not less than two meters apart in globular shape C Three shapes each and less than 0.6 meter in diameter one over the other not less than two meters apart in globular shape D None of these Which vessel is not restricted in her ability to maneuver? A Engage in fishing B Engage in towing C Engage in mine clearing D Dredging During daylight, a vessel engaged in fishing should show: A shape consisting of two cones apexes together in vertical line one over the other B shape consisting of a cone and basket C shape consisting of a cone D shape consisting two baskets Which vessel(s) is/are considered a vessel restricted in her ability to maneuver? A Vessel engage in laying pipelines B Vessel engage in underwater operation C Vessel engage in dredging D All of these Bell and gong should be made of what kind of material? A Silver material B Corrosion-resistant material C Strong-metal D Bronze material As per SOLAS Regulation watertight door controls including hydraulic pipe and electrical cables shall be kept as close as practicable to the: A bulkhead B wall C center D forward After contagious disease has effectively present on board, what chemical is recommended for disinfecting? A Spray insecticides B Aquenos Phenolic solution 3% C Fumigation D Doctor to be informed 10 The fundamental frequency of whistle signal shall lie within the range of: A 40 - 400 Hz B 50 - 500 Hz C 60 - 600 Hz D 70 - 700 Hz 11 On hearing a prescribed signal nearing a bend, the vessel should sound: A two prolonged blasts B one prolonged blast C three prolonged blasts D none of the above 12 A vessel is required to carry what light aft, when towing astern? A A yellow towing light in vertical line above the stern light B Depending on situation C Not necessary D None of these 13 While your vessel is underway in restricted visibility, you hear a fog signal, one prolonged followed by short blasts, it means: A pilot vessel B vessel not under command C vessel at anchor D vessel aground 14 Can a local authority issue their own rules which is different from those in the international regulation for preventing collision at sea? A No B Yes/No C Yes D None of these 15 Vessel at anchor should sound at intervals of not more than one minute and ring the bell rapidly for about A seconds B 10 seconds C seconds D seconds 16 A vessel is considered underway when she is: A stopped and engaged in fishing B waiting for a pilot C none of these D at anchored waiting for berth 17 What is the day shape of a vessel aground? A One black ball not less than 0.6 meter in diameter B Two black balls not less than 0.6 meter in diameter C Three black balls not less than 0.6 meter in diameter and not less than 1.5 meters in vertical distance D None of these 18 In order to protect the phosphorus tube from being de-focused _ is installed to cut-off the top signal which are too strong while leaving others unaffected A video limiting circuit B transducer C responder D limiting switch 19 The International Code of Signal "Vessel in distress" is indicated by: A N.C B F.R C A.M D A.L 20 Masthead light of a power driven vessel of 50 meters or more in length should be visible at: A N.M B N.M C N.M D N.M 21 Vessel engaged in fishing with purse seine gear may exhibit: A red light in vertical line B yellow lights in vertical line C white lights in vertical line D none of these 22 Which vessel may show three lights in a vertical line, the top and bottom being red and the middle being white? A A vessel trawling B A pilot vessel C A vessel engaged in diving operation D A vessel mine clearing 23 A vessel "not under command" means? A A vessel which through some exceptional circumstance is unable to maneuver and is therefore unable to keep out of the way of another vessel B Vessel in head on situation C Vessel abeam in starboard side D All of these 24 What is the color of starboard hand marks in the uniform system of buoyage? A White B Red C Yellow D Black 25 Rule 34, if whistles are fitted in vessel at a distance apart of more than 100 meters, _ shall be used for giving maneuvering and warning signals A whistles B One whistle C None of these D whistles 26 Annex II Signals for Fishing Vessel Fishing in Close Proximity, the light shall be visible all around the horizon; at a distance of at least: A mile B miles C miles D miles 27 The sound signal intensity and range of audibility for vessel less than 20m in length is: A 1.5 nautical miles B 2.0 nautical miles C 1.0 nautical mile D 0.5 nautical mile 28 A vessel shall be deemed to be overtaking, when coming up with another vessel from a direction more than: A 15° abaft her beam B 22.5° abaft her beam C 12° abaft her beam D None of these 29 In order to prevent the sidelight from being seen across the other bow: A they most be covered B they must be fitted with inboard screen which are painted with glossy black paint C they must be fitted with inboard screen painted matt black D none of these 30 The construction of lights and shapes and the installation on board the vessel shall be on the satisfaction of appropriate _ where the vessel is registered A Senate B Congress C Authority of the state D None of these 31 When two masthead lights are prescribed for a power driven vessel, the horizontal distance between them shall not be: A less than one-quarter of the length of the vessel B less than one-half of the length of the vessel C less than one-third of the length of the vessel D less than one-fourth of the length of the vessel 32 While underway, a vessel on your starboard side is showing red light and bearing is steady and unchanging What action would you do? A Continue plotting B Continue your course and speed C Alter course to starboard to keep clear of her D Communicate with her 33 While underway in restricted visibility you observed radar target having CPA of 0.5 nautical mile What would you do? A Maintain course and speed B Make ample observations base on radar observation C Alter course to port D Alter course to starboard 34 International Convention for Preventing Pollution at Sea 73, Protocol 78: A ISM B SOLAS C MARPOL D PMMRR 35 Under the Rule, a vessel is propelled by sail and engine is a: A sailing vessel B special circumstances vessel C power driven vessel D not under any category 36 What is the day signal for vessel at anchor engage in underwater operation? A Ball, diamond and ball shape B Two black balls C One black ball D None of these 37 What kind of vessel shall not impede the safe passage of another vessel in a narrow channel or fairway? A Vessel engaged in military exercise B Vessel engaged in cable laying C Vessel engaged in fishing D None of these 38 Additional signals for fishing vessels fishing in close proximity is at least apart A 0.9 meter B 0.5 meter C one meter D 0.4 meter 39 Food waste in the Carribean region which have been passed through grinder shall be thrown overboard if the distance from land is not less than; A n.m B 12 n.m C n.m D n.m 40 The best definition of the vessel not under command is: A for some exceptional reason is unable to maneuver in accordance with the rule B vessel restricted in her ability to maneuver C vessel aground D vessel engaged in fishing 41 Sound signal pressure level shall be measured in that _ band which determined the audibility range: A 1/3 octave B 2/3 octave C ¼ octave D 1/6 octave 42 In the absence of building contract, a new ship with reference to MARPOL 73/78, means the keel of which is laid or which is at a similar stage of construction after: A 30 June '75 B 30 June '74 C 30 June '76 D 30 June '73 43 The all round light of an inconspicuous partly submerged vessels or objects being towed of less than 12 meters in length shall be visible at _ nautical miles: A B C D 44 Deviation from the Rules of the Road maybe acceptable if: A bearing is constant B there is a risk of collision C necessary to avoid immediate danger D there is close quarter situation 45 In separation zone, can a fishing vessel allowed to fish? A Yes, but vessel engaged in fishing shall not impede the passage of any vessel following the traffic lane B No, they are not allowed C Only with permission D None of these 46 Who is in-charge of narcotics on board? A 2ND / mate B C/ mate C Master D Medical Officer 47 What lights are displayed by a vessel aground? A red lights and anchor lights B red lights C red lights D red lights 48 What vessel is exempted in prudential rules? A Towing vessel B Not under command C Vessels crossing at the same time D Pilot vessel 49 The sound pressure level of the vessel's own signal at listening post shall as far as practicable should not exceed: A 100 dB B 80 dB C 90 dB D 110 Db 50 What lights a vessel aground should display? A Three red lights, prescribed from vessel not under command and anchor light required in her length B Two red lights, prescribed from vessel not under command and anchor light required in her length C Three green lights and anchor light in her length D None of these 51 A target vessel displaying red over green light plus the sidelights (Red and Green) This vessel is: A Dredging B Not under command C Trawling D Sailing vessel underway 52 What day shape is exhibited by vessel aground? A balls in vertical line at least 0.6 m in diameter at least 1.5 m apart B balls in vertical line at least 0.6 m in diameter C One ball D None of these 53 The term which means loading goods into container: A stripping B shipped load on container C stuffing D full container load 54 Range of audibility of signal for whistle is determined by highest frequency which lies within the range of: A 180 - 700 Hz B 250 - 700 Hz C 130 - 350 Hz D 70 - 200 Hz 55 What is the range of the side light for vessel less than 12 meters in length? A N.M B N.M C N.M D N.M 56 The mass of the striker shall not be less than of the mass of the bell: A % B % C % D % 57 In the interest of adequate personal hygiene, what is the average maximum consumption of fresh water per day per person? A 10 gallons B 40 gallons C 30 gallons D 20 gallons 58 In towing operation, how is the length of tow be measured? A From the stern of the towing vessel to the stern of the last vessel towed B From the forward of the towing vessel to the forward of the vessel towed C From the forward of the towing vessel to the stern of the last vessel towed D None of these 59 For vessels less than 20 meters in length, the diameter of the mouth of the bell shall be not less than: A 200 mm B 30 mm C 20 mm D 300 mm 60 What is a "power driven vessel"? A A vessel having a machinery on board whether in use or not B Vessel drifted by current C A vessel having a machinery and in use D A vessel running on diesel engine only 61 Two vessels meeting in reciprocal or nearly reciprocal heading should: A alter course to starboard and pass port to port B alter course to port and pass starboard to starboard C sound the fog signal D maintain course and speed 62 A whistle on a vessel shall be placed as high as practicable to: A be able to be heard by B could be easily distinguished C easily attract attention D minimize hearing damage risk to personnel 63 Masthead light of a vessel less than 12 meters shall be visible at: A miles B miles C miles D mile 64 It is a system of ownership vested to citizen of Philippines or corporation/ association/organization, at least 60 % of capital shared is usually owned by citizen of the Philippines: A Joint venture B Partnership C Corporation D Domestic ownership 65 A pilot vessel not engaged in pilotage duty is required to exhibit which of the following light? A Two white light in vertical line visible at miles B No light to be exhibited as vessel not engage in pilotage duty C The light prescribed for similar vessel of her length D None of these 66 The sound pressure level of the whistle at any other direction in the horizontal plane shall be not more than _ below the sound pressure level on the axis: A dB B Db C 10 dB D Db 67 Distress signal by a gun or any explosive signal shall be fired at intervals of: A About B About mins C About mins D About mins 68 All of the following vessel shall be regarded as restricted in their ability to maneuver except a vessel: A dredging B mine clearing C laying pipe line D not under command 69 A whistle fitted in a vessel shall provide in the direction of maximum intensity of the whistle and a distance of _ from it: A 3.0 m B 2.0 m C 4.0 m D 1.0 m 70 Distress signal indicated by rockets or shells, throwing red stars fired one at a time at interval of: A minutes B short interval C minutes D long interval 71 Date enforced Antarctic as a Special Area A March 17, 1992 B April 12, 1990 C Dec 17, 1992 D March 12, 1990 72 If sound signal of a single whistle is obstructed, it is recommended that a combined whistle system be fitted so as to: A overcome this reduction B have alternate signaling system C could be sounded alternately D could have back-up in case of danger 73 A vessel proceeding along a narrow channel and approaching a bend in a river should: A sound whistle two short blasts and navigate with caution B sound whistle short blasts and navigate with caution C none of these D sound whistle one prolonged blast and navigate with caution 74 Due to some exceptional circumstances this vessel is unable to maneuver and cannot keep out of the way of another vessel A vessel engage in mine-clearing B vessel not under command C vessel towing D vessel engaged in fishing 75 The vessel restricted in her ability to maneuver is unable to keep out of the way due to the: A draft of the vessel B size of the vessel C location of the vessel D the nature of her work 76 As per SOLAS convention all vessel must be provided with Navtex and float free EPIRB A February 1992 B February 1995 C February 1999 D August 1993 77 Vessel engaged in dredging or underwater operations restricted in her ability to maneuver to indicate the side on which another vessel may pass should display: A two all round green lights and two diamond shapes B three all round green lights and three diamond shapes C one all round green light and diamond shape D none of these 78 The maneuvering light described in Rule 34(b) shall be placed in the same fore and aft vertical plane as the masthead light or lights and when practicable, at a maximum height of meters vertically above the forward masthead light, provided that it shall be carried vertically above or below the after masthead light at a height of not less than: A meter B 2.5 meters C 2.0 meters D 4.5 meters 79 Some vessels are exempted from compliance as set forth in Rule 38 on Exemptions These are vessels the keel of which are laid or at corresponding stage of construction before: A July 1,1998 B Jan.1,1998 C July 1,1990 D July15,1977 80 What specific rule of the 1972 Colregs contains the provision that a vessel shall slacken her speed or reverse her engines to avoid collision? A Rule (d) B Rule (a) C Rule (e) D Rule (e) 81 Rule 38 allows vessels the keel of which is laid or at a corresponding stage of construction before the entry into force of the regulations until four years from the date of entry into force with regards to: A Installation of lights with ranges and color specifications B Repositioning of lights due to conversion from Imperial to Metric C Requirements for sound signal appliances prescribed in Annex III D All of these 82 Vessels whose keel were laid or at a stage of construction before the entry into force of the regulations were exempted on the requirements for sound signal appliances prescribed in Annex III provided will comply after how many years after the date of entry? A 10 years B years C years D 15 years 83 The 1972 Regulations for Preventing Collisions at Sea came into force in: A 1977 B 1975 C 1982 D 1976 84 Which Rule describes the action to be taken by vessel's meeting on reciprocal courses? A Rule 14 B Rule 15 C Rule 13 D Rule 16 85 Under the revised Philippine Merchant Marine Rules and Regulations 1977, it means the day and the month of each year which corresponds to the date of expiry of the relevant certificate A date of expiration B renewal date C revalidation date D anniversary date 86 The second masthead light which was made compulsory by the International Conference on SOLAS in 1948 for power-driven vessels of 150 feet or more in length was brought into force in the year: A 1960 B 1949 C 1954 D 1953 87 The 1983 SOLAS amendments to the 1974 convention came into force in: A July 1986 B July 1988 C July 1989 D July 1992 88 You are proceeding under sail with the auxiliary engine running and the propeller turning Which statement is true? A If most of the propelling power comes from the sails, your vessel is considered a sailing vessel B By day, you must display a black diamond shape forward C You must display a red light over a green light D In fog you must sound one prolonged blast at intervals of not more than two minutes 89 The MARPOL Convention shall Not apply to: A warships B passenger ships C vessels less than 500 gross tonnage D mobile oil drilling certificates 90 Under MARPOL 73/78, within the process of the L.O.T system, the oil residues are pumped to a special tank wherein they are allowed time to settle before the water may be pumped out to sea or to shore reception facilities What is the tank? A Slop tank B Segregated ballast tank C C.O.W tank D Marpol tank 91 These are areas or waters in which a ship is Not more than nautical miles from land A Special Areas B Protected Areas C MARPOL areas D Area "A-1" 92 How many whistles should be used for giving maneuvering and warning signals if the whistles are fitted at a distance apart of more than 100 meters? A B C Either or D None of these 93 In containerization, FCL means full container load A the contents of FCL must be itemized in the Bill of Lading B one owner, one Bill of Lading C no entries required in the Bill of Lading D none of these 94 It is the component of the Radar that amplifies weak echoes A Modulator B Transmitter C Receiver D Magnetron 95 You are in the Philippines engaged in trade Under Philippine Laws, 60% of the capital stock should be owned by the citizens of the Philippines A Corporate ownership B Capital ownership C Domestic ownership D Joint venture 96 Under the U.N.C.L.O.S the exclusive economic zone is stated under the: A territorial sea state B continental shelf of the state C regional boundaries of the state D none of these 97 To prevent the Radar from being de-focused, the phosphorous tube is fitted with: A limit switch B video limiting circuit C focusing anode 10 268 You hear the fog signal of another signal of another vessel forward of your beam Risk of collision may exist You must _ A stop your engine B take all way off, if necessary C begin a radar plot D all of these 269 A vessel may exhibit lights other than those prescribed by the Rules as long as the additional lights A are not the same color as either side light B have a lesser range of visibility than the prescribed lights C not impair the visibility or distinctive character of the prescribed lights D all of the above 270 The rules concerning lights shall be complied within all weathers from sunset to sunrise The lights _ A shall be displayed in restricted visibility during daylight hours B need not be displayed when no other vessels are in the area C shall be set a low power when used during daylight hours D need not be displayed be unmanned vessels 271 A vessel is towing and carrying the required lights on the masthead What is the visibility are of these lights? A 112.5° B 135.0° C 225.0° D 360.0° 272 You see a red sidelight bearing NW (315°) That vessel may be heading _ A south (180°) B east (090°) C northeast (045°) D west (270°) 273 The towing light is a(n) A flashing amber light B yellow light with the same characteristics as the sternlight C all-around yellow light D yellow light with the same characteristics as the masthead light 274 Which vessel must exhibit forward and after masthead lights when underway? A A 200-meter sailing vessel B A 50-meter power-driven vessel C A 100-meter vessel engaged in fishing D All of the above 275 Which power-driven vessel is not required to carry a light in the position of the after masthead light? A A pushing vessel and a vessel being pushed, in a composite unit and 100-meters in length B A vessel of 60-meters in length towing astern C A vessel of 45-meters in length trolling D Any vessel constrained by her draft 276 The masthead light may be located other than the fore and aft centerline of a vessel if _ A less than 20-meters in length B less than 12-meters in length C which has separate sidelights carried on the outboard extremes of the vessel's breadth D engaged in fishing 29 277 Which vessel would exhibit sidelights when underway and not making way? A A vessel towing astern B A vessel trawling C A vessel not under command D A vessel engaged in dredging operations 278 At night, you are towing a partly submerged vessel, 20-meters in length and 4-meters in breadth What lights must you display on the towed vessel? A A white light at the stern B Two white lights side by side at the stern C A white light at the forward end and a white light at the after end D Two red lights in a vertical line at the after end 279 What is used to show the presence of a partly submerged object being towed? A A diamond shape on the towed object B An all-around light at each end of the towed object C A searchlight from the towing vessel in the direction of the tow D All of the above 280 A vessel, which does not normally engage in towing operations, is towing a vessel in distress She _ A need not show the lights for a vessel engaged in towing, if it is impractical to so B may show the lights for a vessel not under command C must show a yellow light above the sternlight D must show the lights for a vessel towing 281 Which vessel, when anchored at night, is not required to show anchor lights? A A power-driven vessel B A vessel engaged in survey operations C A vessel engaged in pilotage duty D A vessel engaged in pilotage duty 282 A vessel which is unable to maneuver due to some exceptional circumstance, shall show two red lights in a vertical line and _ A during the day, three balls in a vertical line B during the day, three shapes, the highest and lowest being balls and the middle being a diamond C when making way at night, sidelights and a sternlight D when making way at night, masthead lights, sidelights, and a sternlight 283 A vessel is carrying three lights in a vertical line The highest and lowest of these are red and the middle light is white Which statement is always true? A During the day, she would display three balls in a vertical line B If making way, she would show masthead lights at night C If at anchor, she need not show anchor lights while displaying identifying lights D Her fog signal would consist of a rapid ringing of a bell for five seconds every minute 284 A vessel aground would show the same day shape as a A vessel towing a submerged object B dredge underway and dredging C hydrographic survey vessel at anchor and surveying D none of the above 285 In a crossing situation, which vessel may sound the danger signal? A Give-way vessel B Stand-on vessel C Either vessel D Neither vessel 286 You are in charge of a power-driven vessel making way in dense fog You observe what appears to be another vessel on radar half a mile distant on your port bow and closing You must A sound the danger signal B exchange passing signals C sound one prolonged blast 30 287 288 289 290 291 292 293 294 295 D sound one short, one prolonged, and one short blast While underway your vessel enters fog You stop your engines and the vessel is dead in the water Which fog signal should you sound? A One prolonged blast every two minutes B Two prolonged blasts every two minutes C Three short blasts every two minutes D One prolonged and three short blasts every two minutes You are underway in low visibility and sounding fog signals What changes would you make in the fog signal immediately upon losing propulsion? A Begin sounding two prolonged blasts at two-minute intervals B Begin sounding one prolonged blast followed by three short blasts at two-minute intervals C Begin sounding one prolonged blast followed by two short blasts at two-minute intervals D No change should be made in the fog signal Which statement concerning whistle signal is false? A When pushing vessel and a vessel pushed are connected in a composite unit, the unit sounds the fog signal of a power-driven vessel B A vessel at anchor may sound one short, one prolonged, and one short blast C A pilot vessel may sound an identity signal on the whistle D A vessel engaged in towing in fog shall sound one prolonged blast When should the fog signal of a manned vessel under tow be sounded? A After the towing vessel's fog signal B Before the towing vessel's fog signal C Approximately one minute after the towing vessel's fog signal D If the towing vessel is sounding a fog signal, the manned vessel being towed is not required to sound any fog signal Which vessel would sound a fog signal consisting of the ringing of a bell for seconds? A A vessel engaged in fishing, at anchor B A vessel restricted in its ability to maneuver, at anchor C A sailing vessel, at anchor D All of the above A power-driven vessel at anchor, not fishing or otherwise restricted in its ability to maneuver, sounds her fog signal at intervals of not A more than one minute B more than two minutes C more than three minutes D less than two minutes All fog signals shall be sounded every two minutes with the exception of a vessel _ A underway or making way B under sail or under tow C anchored or aground D not under command or restricted in her ability to maneuver A fog signal of one prolonged blast followed by four short blasts would mean the presence of a _ A vessel being towed B power-driven pilot vessel on station underway C fishing vessel trawling D vessel at anchor warning of her location If you hear the firing of a gun at one minute intervals from another vessel, this indicates that _ A the gun is being used to sound passing signals B the vessel is in distress C all vessels are to clear the area D all is clear and it is safe to pass 31 296 You see a vessel displaying the code flag "LIMA" below which is a red ball The vessel is _ A trolling B getting ready to receive aircraft C aground D in distress 297 Vessels engaged in fishing may show the additional signals described in Annex II to the Rules when they are _ A trolling B fishing in a traffic separation zone C in close proximity to other vessels engaged in fishing D in a narrow channel 298 Which statement is true according to the Rules? A A vessel engaged in fishing while underway shall, so far as possible, keep out of the way of a vessel restricted in her ability to maneuver B A vessel not under command shall keep out of the way of a vessel restricted in her ability to maneuver C A vessel engaged in fishing shall keep out of the way of a sailing vessel D A vessel engaged in fishing shall keep out of the way of a sailing vessel 299 At night, a power-driven vessel less than 7-meters in length, with a maximum speed which does not exceed knots, may show when underway A sidelights combined in a single lantern B an all-round flashing yellow light C one all-round white light D a lantern showing a white light exhibited in sufficient time to prevent collision 300 Which signal is sounded only when vessels are not in sight of each other? A A signal of at least five short and rapid blasts B Four short blasts on the whistle C One prolonged, one short, one prolonged, and one short blast on the whistle, in that order D Two short blasts on the whistle 301 One method of reducing the length of radio transmissions without distorting the meaning of your words is by using A slang B secret codes C procedure words D analogies 302 What is the most important thing you should before transmitting on a marine radio? A Ask for permission B Record the time in your radio log C Press the "push to talk" button three times D Monitor the channel to insure that it is clear 303 You are communicating on the radiotelephone using plain English Which procedural word (proword) indicate that you have received another vessel's transmission? A Out B Over C Roger D Wilco 304 You wish to communicate by radiotelephone with a foreign vessel using the International Code of Signals This is indicated by the signal A "Charlie Quebec" B "Code" C "Kilo" D "Interco" 32 305 A call between any two ship stations on an intership working frequency shall have a maximum duration of _ A minutes B minutes C minutes D minutes 306 You are communicating by radiotelephone using the International Code of Signals What is the correct method of sending the group 1.3? A "Wun point tree" B "Unaone point tercetree" C "Unaone decimal terrathree" D "One decimal three" 307 How should the number "7" be pronounced when spoken on the radiotelephone? A SAY-TAY-SEVEN B SEE-ETA-SEVEN C NUM-BER-SEVEN D NEW-MER-AL-SEVEN 308 How should the letter "Q" be pronounced when spoken on the radiotelephone? A QWE BEC B QUE BACH C KEH BECK D QU UE 309 The height of a VHF radio antenna is more important than the power output wattage of the radio because A VHF communications are basically "line of the sight" B the air is more dense the higher you go C salt water is a poor conductor of sound D sea water absorbs the radiated energy 310 VHF Channel is used exclusively for what kind of communications? A Radio checks and time checks B Inter-vessel safety and search and rescue C Working with helicopters D Radio direction finding 311 Which VHF channel should you avoid using as a working channel? A B C D 16 312 All VHF marine band radios operate in the simplex mode, which means that A only one person may talk at a time B only two persons may talk at the same time C the radio only transmits D the radio only receives 313 When making VHF radio calls to nearby stations, what level of transmitting power should you use? A Low power B Medium power C High power D Extra high power 314 What is the average range of vessel-to-vessel VHF-FM radio communications? A 15 to 20 miles B 60 to 90 miles C 90 to 120 miles D 120 to 150 miles 33 315 The reception of weak radio signals may be improved by "opening up" the squelch control What is the normal setting of the squelch control? A Just past the point where background noise is cut off B Completely closed with the volume at the highest level C Completely open with the volume at the lowest level D None of the above 316 What time of day would an SSB radio have the longest transmitting range? A Daylight before noon B At noon C Daylight after noon D During darkness 317 The unit of duration of a dash in Morse Code is A one and one-half times the length of a dot B twice the length of a dot C three times the length of a dot D four times the length of a dot 318 A message by flashing light consists of the call, the identity, the text, and the A Destination B answer C time D ending 319 What is the International Code signal for a decimal point between figures using flashing light? A AAA B UNK C STA D CQ 320 You have called another vessel by flashing light and he has answered your call properly You now send your call sign "DE KLIS" He should respond with _ A TTTT B his own call letters C DE KLIS D R 321 In a message sent by flashing light, what group of letters will direct the receiver of a message to repeat the transmission back to the sender? A REPEAT B RPT C RPB D UD AA 322 Which signal given by flashing light changes a statement into a question? A C B RQ C N D NO 323 A vessel is signaling to you by flag hoist, and the answer pennant is hoisted close-up You should _ A hoist your answer pennant close-up B wait for further signals after a short delay C hoist flag R D expect no further flag hoists and secure from signaling 324 The flag hoist 62.2 would be sent as pennant 6, pennant 2, _ A answering pennant, first substitute B answering pennant, second substitute C space, second substitute D answering pennant, third substitute 34 325 If you wanted to ask a nearby vessel if he had a doctor on board, you would hoist the flag signal A AM B AL C AN l D MA 326 A vessel is flying the signal "BJ-l" from her starboard halyard The signal means " _." A an aircraft is ditched in position indicated B the aircraft is still afloat C there is no danger of explosion D an aircraft is circling over an accident 327 What is the correct interpretation of the flag hoist G, 4, 2, 1, first substitute A G421G B G4214 C F213213 D F213F213 328 While using the International Code of Signals, if the receiving station can distinguish the flag signal of the transmitting station, but cannot understand the meaning of it, the station can hoist the flag signal _ A ZP B ZL C ZR D ZK 329 The radiotelegraph alarm signal is A SOS sent three times B ten one-second dashes with a four-second interval between them C twelve four-second dashes with a one-second interval between them D twelve one-second dashes with a short interval between them 330 The radiotelegraph alarm signal may be used to announce A that a distress message will follow B a request for assistance in searching for a man overboard C an urgent warning about a cyclone D all of the above 331 The signal that actuates the radio auto-alarms on a vessel is a series of A dashes sent in one minute B dashes sent in two minutes C 12 dashes sent in one minute D 12 dashes sent in two minutes 332 After a vessel transmits the original distress message, what signal should be sent to allow things to take RDF bearings? A SOS three times B Additional transmissions to aid directions finding C E for one minute, followed by T for one minute D Two tones, 10-15 seconds each 333 The VHF radiotelephone calling/safety/distress frequency is A 156.8 MHz (channel 16) B 156.7 MHz (channel 14) C 156.65 MHz (channel 13) D 156.6 MHz (channel 12) 334 Which radiotelephone transmission may be sent over channel 16? A Distress signal MAYDAY B Call to a particular station C A meteorological warning D All of the above 35 335 A distress frequency used a radiotelephone is _ A 400 kilohertz B 2182 kilohertz C 2728 kilohertz D 8221 kilohertz 336 The Coast Guard emergency radiotelephone frequency is A 2132 kilohertz B 2182 kilohertz C 2670 kilohertz D 2750 kilohertz 337 After receiving your distress call, the U.S.C.G will ask you to switch to which SSB frequency? A 2570 B 2670 C 2770 D 2870 338 Which statement about transmitting distress messages by radiotelephone is incorrect? A Distress messages should first be transmitted B It is advisable to follow a distress message on 2182 kHz by two dashes of 10 to 15 seconds duration C If no answer is received on the designated distress frequencies, repeat the distress call on any frequency available D Channel 16 (156.8 MHz) may be used for distress messages 339 Which of the following statements about transmitting distress messages by radiotelephone is incorrect? A Distress messages should first be transmitted on 2182 kHz B Channel 16 (156.8 MHz) may be used for distress messages C If no answer is received on the designated distress frequencies, repeat the distress call on any frequency available D It is advisable to follow a distress message on 2182 kHz by two dashes of 10 to 15 seconds duration 340 You are underway in mid-ocean when you hear a distress message The position of the sender is 150 miles away No other vessel has acknowledged the distress Your maximum speed is knots and due to the seriousness of the distress, you cannot arrive on scene to provide effective assistance What action should you take? A Do not acknowledge the distress message B Send an urgency message about the distress C Use the signal MAYDAY RELAY and transmit the distress message D Transmit a message as though your vessel was in distress 341 The term "power-driven vessel" refers to any vessel _ A with propelling machinery onboard whether in use or not B making way against the current C with propelling machinery in use D traveling at a speed greater than that of the current 342 If a vessel is engaged in fishing according to the definitions in the Rules, it will have _ A gear extending from the side or stern B gear that restricts maneuverability C less than 50 percent trolling lines D none of the above 343 What determines if a vessel is "restricted in her ability to maneuver"? A Whether or not all of the vessel's control equipment is in working order B The vessel's draft in relation to the available depth of water C Whether the nature of the vessel's work limits maneuverability required by the Rules D Whether or not the vessel is the give-way vessel in a meeting situation 36 344 In which situation would risk of collision definitely exist? A a vessel is 22 degrees on your port bow, range increasing, bearing changing slightly to the right B a vessel is broad on your starboard beam, range decreasing, bearing changing rapidly to the right C a vessel is on your starboard quarter, range decreasing, bearing is increasing D a vessel is on your starboard quarter, range decreasing, bearing is constant 345 A traffic separation zone is that part of a traffic separation scheme which A is located between the scheme and the nearest land B separates traffic proceeding in one direction from traffic proceeding in the opposite direction C is designated as an anchorage area D contains all the traffic moving in the same direction 346 Power-driven vessels must keep out of the way of sailing vessels except A in a crossing situation B when they are making more speed than the power-driven vessel C when the sailing vessel is overtaking D on the Inland Waters of the United States 347 A vessel approaching your vessel from 235° relative is in what type of situation? A Meeting B Overtaking C Crossing D Passing 348 At night, a broken down vessel being towed would show the same lights as _ A a power-driven vessel underway B only the first and the last barges in he tow must be lighted C all barges in the tow must be lighted D all barges except unmanned barges, must be lighted 349 A sailing vessel underway may exhibit _ A a red light over a green light at the masthead B a green light over a red light at he masthead C two white lights in a vertical line at the stern D an all-around white light at the bow 350 A sailing vessel is not allowed to show the all-round red over green lights on the mast is A she is showing a sidelights B her sidelights are combined and shown on the fore and aft centerline of the vessel C she is showing a sternlight D her sidelights and sternlight are combined in one lantern and shown on the mast 351 A sailing vessel underway at night may show A a green light over a red light B A red light over a white lights C two white lights at the stern D none of these 352 Which statement is true concerning a vessel under oars? A she must show a sternlight B she is allowed to show the same lights as a sailing vessel C she must show a fixed all-round white light D she must show a dayshape of a black cone 37 353 If a rowboat underway does not show the lights specified for a sailing vessel underway, it shall show a _ A white light from sunset to sunrise B combined lantern showing green to starboard and red to port and shown from sunset to sunrise C combined lantern showing green to starboard and red to port and shown in sufficient time to prevent collision D white light shown in sufficient time to prevent collision 354 Which vessel must show a masthead light abaft of and higher than her identifying lights? A A 55-meter vessel fishing B A 55-meter vessel trawling C A 100-meter vessel not under command D A 20-meter vessel engaged on pilotage duty 355 A 60-meter vessel which is trawling is required to show how many white masthead lights at night? A B C D 356 You see a vessel displaying three lights in a vertical line The highest and lowest lights are red and the middle light is white She is also showing a white light at the stern, which is lower than the forward light It could be a _ A survey vessel B vessel not under command C vessel aground D pilot vessel with port side to you 357 Which light(s) is (are) among those shown by a 200-meter vessel at anchor? A in the forepart of the vessel, a 225° white light B in the after part of he vessel, a 135° white light C any available working lights to illuminate the decks D in the fore part of the vessel, a 112.5-degree white light 358 An anchor ball need not be exhibited by an anchored vessel if she is A under 50-meters in length, and anchored in an anchorage B over 150-meters in length C rigged for sail D less than 7-meters in length, and not in or near an area where other vessel normally Navigate 359 What is the minimum sound signaling equipment required aboard a vessel 10-meters in length? A any means of making an efficient sound signal B a bell only C A whistle only D a bell and a whistle 360 Which statement is true regarding equipment for bell and gong signals? A a vessel of less than 12-meters in length need not have any sound signaling equipment B manual sounding of the signals must always be possible C any vessel over 12-meters in length must be provided with a gong D signals must be able to be sounded manually and automatically 361 Fog signals, required under the Rules for vessel underway, shall be sounded _ A only on the approach of another vessel B only when vessels are in sight of each other C at intervals of not more than one minute D at the intervals of not more than two minutes 38 362 While underway in fog you hear two prolonged blasts every two minutes This signal indicates a vessel _ A making way through the water B towing C drifting D anchored 363 One of the signal, other than a distress signal, can be used by a vessel to attract attention? A searchlight beam B continuous sounding of a fog signal apparatus C burning barrel D orange smoke signal 364 A vessel that is not equipped with towing lights should show that it has a vessel in tow by _ A continuously sounding its horn B sounding one prolonged followed by two short blasts at intervals of not more than two minutes C shining a searchlight on the towline of the towed vessel D none of the above; a vessel shall not engage in towing at night without proper navigation lights 365 A distress signal A consist of or more short blasts of the fog signal apparatus B may be used separately or with other distress signals C consists of the raising and lowering of a large white flag D is used to indicate doubt about another vessel's intentions 366 What would not be a distress signal? A "MAYDAY" sent by a radiotelephone B Continuous sounding of fog horn C Green star shells fired from a launcher D Square flag and ball in a vertical line 367 Which statement is true concerning a vessel "constrained by her draft"? A she is hampered because of her work B she is unable to maneuver due to some exceptional circumstance C she may be a vessel being towed D she must be a power-driven vessel 368 You are on a vessel that cannot comply with the spacing requirement for masthead lights What is the required in this situation? A the vessel must carry only the lights that comply with the rules; the others may be omitted B the vessel's lights must comply as closely as possible, as determined by her government C the vessel must be altered to permit full compliance with the rules D an all-around light should be substituted for the after masthead light and the stern light 369 Which signal may at some time be exhibited by a vessel trawling? A two white lights in a vertical line B a white light over a red light in a vertical line C two red lights in a vertical line D any of the above 370 You are in charge of 150-meter freight vessel constrained by her draft proceeding down a narrow channel There is a vessel engaged in fishing on your starboard bow half a mile away According to Rule 9, which statement is true? A You are not to impede the fishing vessel B If you are in doubt as to the fishing vessel's intentions you may sound at least five short and rapid blasts on the whistle C You are to slow to bare steerageway until clear of the fishing vessel D You must sound one prolonged blast to alert the fishing vessel 39 371 When sending and receiving messages on the marine radio, confusion over unusual words can be avoided by using the A delimiter switch B standard phonetic alphabet C low power switch D high power switch 372 You can indicate that your vessel is in distress by A displaying a large red flag B displaying three black balls in a vertical line C sounding five or more short and rapid blasts on the whistle D continuously sounding the fog whistle 373 You see an iceberg that has not been reported What kind of radio message you transmit to warn others? A Safety message B Urgency message C Distress message D Routine message 374 When giving first aid, you should understand how to conduct primary and secondary surveys and know A which medications to prescribe B how to diagnose an illness from symptoms C the limits of your capabilities D how to set broken bones 375 A tourniquet should be used to control bleeding only A with puncture wounds B when all other means have failed C when the victim is unconscious D to prevent bleeding from minor wounds 376 When a person is in shock, their skin will be _ A warm and dry B warm and damp C cold and dry D cold and damp 377 When using the rainwater collection tubes on a liferaft, the First collection should be _ A passed around so all can drink B poured overboard because of salt washed off the canopy C saved to be used at a later time D used to boil food 378 Provided every effort is made to preserve body moisture content by avoiding perspiration, how long is it normally possible to survive without water? A Up to days B to 14 days C 15 to 20 days D 25 to 30 days 379 When retrieving the survival craft, the helmsman should instruct the crewman to A check the fuel level B open the doors C take the life preservers off D check that hooks are fully locked in place 380 All lifeboats, rescue boats, and rigid-type liferafts shall be stripped, cleaned, and thoroughly overhauled at least once every A year B 18 months C two years D 30 months 40 381 The purpose of air tanks in a lifeboat is to A make the boat float higher B provide a stowage place for provisions C add strength to the boat D keep the boat afloat if flooded 382 Most lifeboats are equipped with _ A unbalanced rudders B balanced rudders C contraguide rudders D straight rudders 383 The maximum speed of lowering for a lifeboat on gravity davits is controlled by the A limit switches B emergency disconnect switch C governor brake D position of the counterweight on the brake handle 384 Seawater may be used for drinking _ A under no condition B at a maximum rate of two ounces per day C if gathered during or immediately after a hard rain D after mixing with an equal quantity of fresh water 385 What are the symptoms of sun stroke? A Temperature falls below normal, pulse is rapid and feeble, skin is cold and clammy B Temperature is high, pulse is strong and rapid, skin is hot and dry C Temperature is high, pulse is slow and feeble, skin is clammy D Temperature falls below normal, pulse is rapid, skin is clammy 386 Which procedure should be followed when individuals are rescued in cold climates and suffer from hypothermia? A give the brandy B keep them in motion C immerse them in a warm bath (105°F, 40°C) D cover them with an electric blanket set for a maximum temperature 387 What is the expected range of a VHF radio transmission from a vessel to a shore station? A about 20 miles B 50-100 miles C 100-150 miles D 150-200 miles 388 What is the correct interpretation of the flag hoist G, 4, 2, 1, first substitute? A G421G B G4214 C G421G421 D G4211 389 Which radiotelephone signal indicates receipt of a distress message? A Roger wilco B Romeo, romeo, romeo C SOS acknowledge D Mayday roger 390 The signal to guide vessel in distress, which indicates, "This is the best place to land" is the A horizontal motion of a white flag B letter K in Morse code given by light C code flag S as a hoist D firing of a white star signal 41 391 While in port, what signal flag would inform the vessel's crew to report on board because the vessel was about to proceed to sea? A "P" B "H" C "U" D "A" 392 At sea, you are approaching a small vessel and see that it has the signal flag "P" hoisted What should you do? A Proceed on present course and speed since the vessel is stopped and making no way through the water B Keep clear of the vessel because it has a diver down C Attempt to call the vessel on VHF radiotelephone because someone on board requires medical assistance D Approach with caution because the vessel is a fishing vessel and its nets are fouled on an obstruction 393 You wish to communicate information that the sea in your area is 8-10 feet in height and from the northeast This sea, as defined in the code, would be described as A rough B moderate C high D confused 394 The sorting of accident victims according to the severity of their injuries is called _ A evaluation B triage C surveying D prioritizing 395 The first treatment for a surface burn is to _ A wash the burned area with a warm soap and water solution B flood, bathe, or immerse the burned area in cold water C cover the burned area with talcum powder and bandage it cover the burned area with D talcum powder and bandage it tightly leave the burned area exposed to the atmosphere 396 Seasickness is caused by rolling or rocking motions which affect fluids in the _ A stomach B lower intestines C inner ear D bladder 397 When abandoning ship and jumping into the water from a substantial height, you should _ A dive head first using your hands to break the surface of the water B hold your arms firmly at your sides and jump feet first C throw your life jacket into the water first and then jump feet first into the water next to it D jump feet first, holding onto your life jacket with one hand while covering your nose and mouth with the other 398 A person has fallen overboard and is being picked up with a rescue boat If the person appears in danger of drowning, the rescue boat should be maneuvered to make _ A an approach to leeward B an approach to windward C the most direct approach D an approach across the wind 399 Frapping lines are fitted to lifeboat davits to _ A reduce the swinging of the lifeboat as it is being lowered from the embarkation level B secure the lifeboat in the davits when in the stowed position C hold the lifeboat to the ship's side until the tricing lines are passed D be used as a safety line in an emergency 42 400 The purpose of the tricing pendants is to _ A control the fore and aft motion of a lifeboat during lowering B control the outboard swing of a lifeboat during lowering C provide suspensions for the manropes D hold a lifeboat next to the embarkation deck while loading 43 [...]... required for a power-driven vessel B She shall exhibit the lights and shapes corresponding to the length and size C She shall exhibit the lights and shapes as required by an airplane 18 174 175 176 177 1 78 179 180 181 182 183 D She shall not exhibit any shape and lights During daylight hours, what should a vessel display to indicate that it is fishing? A A green ball B A basket C A black ball D A white... by a 200-meter vessel at anchor? A In the forepart of the vessel, a 225° white light B In the after part of he vessel, a 135° white light C Any available working lights to illuminate the decks D In the fore part of the vessel, a 112.5º white light 2 18 An anchor ball need not be exhibited by an anchored vessel if she is A under 50-meters in length, and anchored in an anchorage B over 150-meters in... vessel on station underway D vessel at anchor warning of her location 188 A vessel may use any sound or light signals to attract the attention of another vessel as long as: A the vessel signals such intentions over the radiotelephone B white lights are not use C red and green lights are not use D the signal cannot be mistaken for a signal authorized by the Rules 189 The maneuvering light described in... for five seconds every minute 284 A vessel aground would show the same day shape as a A vessel towing a submerged object B dredge underway and dredging C hydrographic survey vessel at anchor and surveying D none of the above 285 In a crossing situation, which vessel may sound the danger signal? A Give-way vessel B Stand-on vessel C Either vessel D Neither vessel 286 You are in charge of a power-driven... observe what appears to be another vessel on radar half a mile distant on your port bow and closing You must A sound the danger signal B exchange passing signals C sound one prolonged blast 30 287 288 289 290 291 292 293 294 295 D sound one short, one prolonged, and one short blast While underway your vessel enters fog You stop your engines and the vessel is dead in the water Which fog signal should... signal Which vessel would sound a fog signal consisting of the ringing of a bell for 5 seconds? A A vessel engaged in fishing, at anchor B A vessel restricted in its ability to maneuver, at anchor C A sailing vessel, at anchor D All of the above A power-driven vessel at anchor, not fishing or otherwise restricted in its ability to maneuver, sounds her fog signal at intervals of not A more than one... is A 156 .8 MHz (channel 16) B 156.7 MHz (channel 14) C 156.65 MHz (channel 13) D 156.6 MHz (channel 12) 334 Which radiotelephone transmission may be sent over channel 16? A Distress signal MAYDAY B Call to a particular station C A meteorological warning D All of the above 35 335 A distress frequency used a radiotelephone is _ A 400 kilohertz B 2 182 kilohertz C 27 28 kilohertz D 82 21 kilohertz... 2132 kilohertz B 2 182 kilohertz C 2670 kilohertz D 2750 kilohertz 337 After receiving your distress call, the U.S.C.G will ask you to switch to which SSB frequency? A 2570 B 2670 C 2770 D 287 0 3 38 Which statement about transmitting distress messages by radiotelephone is incorrect? A Distress messages should first be transmitted B It is advisable to follow a distress message on 2 182 kHz by two dashes... prolonged blasts every two minutes 19 184 Every vessel should at all times proceed at a "safe speed" "Safe speed" is defined as that speed where: A you can stop within your visibility range B no wake comes from your vessel C you are traveling slower than surrounding vessels D you can take proper and effective action to avoid collision 185 A vessel 50 meters in length and at anchor is required to sound which... A triangular flag above or below a ball D Flames on the vessel as from a burning tar barrel 1 68 It is normally used for loading, unloading and anchoring of ships, and which would otherwise be situated wholly or partly outside the outer limit of the territorial sea, are included in the territorial sea: A Anchorage area B Roadsteads C Estuary D Outer port limit 169 A vessel underway and restricted in