This is an interactive test. Read each question and select the proper answer by clicking on the appropriate answer. If a "Y" appears, your choice is correct. If a "N" appears, more study may be in order.
91: You are the person in charge of a 199 GRT uninspected towing vessel engaged in coastwise towing from the Gulf of Mexico to New York, a distance in excess of 600 miles. Which statement is FALSE?
N a. The deckhands shall be divided into 3 watches. N b. Able seamen are required in the deck crew. N c. All crew members shall have Merchant Mariner's Documents. Y d. Certificates of Discharge are not required to be issued. 94: All of the following records are usually maintained by the watch-standing officers aboard a vessel EXCEPT the __________.
N a. deck logbook Y b. official logbook N c. compass record book N d. chronometer error book 149: A standard net barrel of petroleum products is __________.
Y a. 42 gallons at 60°F N b. 48 gallons at 70°F N c. 50 gallons at 50°F N d. 60 gallons at 100°F 190: You are on a vessel that carries liquefied gasses in bulk. The person on watch is required to have what information about the cargo easily accessible?
N a. Port of loading N b. Exact quantity on board N c. Name and address of consignee Y d. Firefighting procedures 230: You are the Master of a 500-gross ton passenger vessel operating on rivers. Your vessel accidentally runs aground. Under the regulations for passenger vessels, you must notify the __________.
N a. Coast Guard, only if the grounding results in damage to property in excess of $25,000 Y b. nearest Coast Guard Marine Safety or Marine Inspection Office as soon as possible N c. Coast Guard, only if the grounding results in a loss of life N d. Coast Guard, only if the grounding results in injury to personnel 305: What is considered a Serious Marine Incident?
N a. an allision that results in $500 damage to a boat dock Y b. an injury to a crewmember, passenger, or other person which requires professional medical treatment beyond first aid N c. grounding of a vessel on a sandbar that does not result in injuries and/or any damage to the vessel N d. None of the above 307: Which type of chemical testing is NOT required of merchant marine personnel?
N a. Pre-employment N b. Periodic N c. Random Y d. Annual 335: You are steaming in a heavy gale and find it necessary to heave to. Under most circumstances, this is best done by __________.
N a. stopping the engines and drifting beam to the seas N b. going slow astern and taking the seas on the quarter Y c. taking the sea fine on the bow and reducing the speed to the minimum to hold that position N d. maintaining speed and taking the sea broad on the bow 434: To "belay" a line means to __________.
N a. coil it down N b. heave it taut N c. stow it below Y d. secure it to a cleat 515: When compared to a fiber towing hawser, what is NOT an advantage of a wire towing hawser?
N a. Wire is easy to handle when properly spooled on the drum of a towing winch. Y b. Wire has more spring and shock resistance than fiber. N c. Wire can be used to tow heavier loads because of its smaller diameter and more manageable size. N d. Wire is subject to less deterioration if properly maintained. 544: If the winch should fail while you are hauling in the anchor, what prevents the anchor cable from running out?
N a. Chain stopper N b. Devil's claw N c. Hawse ratchet Y d. Riding pawl 595: The turning circle of a vessel is the path followed by the __________.
N a. outermost part of the ship while making the circle Y b. center of gravity N c. bow N d. tipping center 659: You are planning to use the crude oil washing system on your tankship. What is required to prevent electrostatic buildup in the tanks?
N a. The portable machines must be set at the proper drop for the first wash before the fixed machines are used. Y b. The source tank for the tank cleaning machines must have least one meter decanted from it. N c. The inert gas system must reduce the oxygen content in the tanks to a maximum of 18%. N d. The fixed machines must be operated simultaneously with the portable machines to equalize the electrostatic potential. 672: When towing alongside (breasted tow), more forward movement will be imparted to the tow by __________.
N a. increasing the angle of line pull to the keel axis of the tow Y b. reducing the angle of line pull to the keel axis of the tow N c. positioning the towing vessel on the forward end of the tow N d. shortening the length of the tow line 700: A tug is approaching a broken down steamer in moderately heavy weather preparing to take it in tow. In most cases the __________.
N a. steamer will drift stern downwind N b. tug will drift faster than the steamer N c. tug should approach stern to Y d. tug should approach from downwind 776: In most cases, when a large merchant vessel enters shallow water at high speed the __________.
N a. maneuverability will increase N b. speed will increase Y c. bow will squat farther than the stern N d. vessel will rise slightly, on a level plane 790: Which statement is TRUE of centrifugal pumps aboard tank vessels?
N a. They are positive displacement pumps. Y b. They are gravity-fed. N c. They produce a pulsating flow. N d. They require more maintenance than a reciprocating pump. 843: If the Master of a US-flag towing vessel replaces any crew member with a non-US citizen, he/she must ensure that the ___________ .
N a. replacement holds a license or document equivalent in experience and training to a mariner holding US credentials N b. replacement can communicate with other crew members to the extent required by regulations N c. vessel is on a foreign voyage, outside US jurisdiction, and not operating above the US outer continental shelf Y d. all of the above 908: You must load as much of a large shipment of case goods as possible into a hold which has 24,400 cubic feet of space. Each case measures 2 feet by 2 feet by 4 feet and weighs 448 pounds. If you allow for broken stowage of 15%, how many long tons can be loaded?
N a. 54 N b. 207 Y c. 259 N d. 351 909: What is the purpose of the relief valve of a cargo pump?
N a. Provides for the removal of vapors N b. Allows two or more tanks to be filled at the same time N c. Provides for the emergency shutdown of the pump Y d. Permits the return of cargo to the suction side of the pump 1079: The system of valves and cargo lines in the bottom piping network of a tanker that connects one section of cargo tanks to another section is called a __________.
N a. come-along Y b. crossover N c. manifold N d. runaround 1132: A lookout can leave his station __________.
N a. at the end of the watch N b. at any time Y c. ONLY when properly relieved N d. 15 minutes before the end of the watch 1163: When piloting a vessel, how are visual references used to establish a constant rate of turn?
Y a. Fixed objects that stay on the same relative bearing when the ship is turning indicate a constant rate of turn. N b. Visual references cannot be used to maintain a constant rate of turn. N c. Begin the turn when the fixed object is on the beam. N d. Keep the fixed object's relative relative bearing opening, for a constant rate of turn. 1191: Which statement is TRUE about the use of a "gob rope"?
N a. The gob rope is a mooring line for tyhing up lighters for working cargo alongside a vessel anchored in an open roadstead. Y b. The gob rope is used to secure the towline aft over the centerline of a tug.. N c. The gob rope is a line hung over a vessel's side to assist in boarding. N d. The gob rope is a rope used in mooring a vessel to a buoy. 1227: You have the "conn" at the time the helmsman who is steering by hand reports that the rudder is not responding to the wheel. Your FIRST action should be to __________.
Y a. shift the selector switch to the other steering pump N b. signal the engineroom to stop the engines N c. call the engineroom N d. call the Master 1293: What is required to be posted in the pilothouse of a vessel?
N a. Certificate of Inspection N b. Officer's licenses N c. Company Mission Statement Y d. Muster List ("Station Bill") 1314: A wire rope rove through two single blocks with two parts at the moving block is used for a boat fall. The weight of the 100-person boat is 5 tons. Compute the required breaking strain. Safety Factor - 6, weight per person - 165 lbs., 10% friction per sheave (2 sheaves).
N a. 18.30 tons B.S. N b. 20.29 tons B.S. Y c. 22.27 tons B.S. N d. 24.31 tons B.S. 1510: The type of welding employed in shipyards is primarily __________.
N a. brazing Y b. electric arc N c. pressure welding N d. thermite welding 1540: In ship construction, keel scantlings should be the greatest __________.
N a. at each frame Y b. amidships N c. one-third the distance from the bow N d. one-third the distance from the stern 1546: What is the best guide for determining the proper scope of anchor chain to use for anchoring in normal conditions?
N a. One shot of chain for every ten feet of water Y b. One shot of chain for every fifteen feet of water N c. One shot of chain for every thirty feet of water N d. One shot of chain for every ninety feet of water 1577: You are the Chief Mate of a 30,000-DWT tankship. The vessel is engaged in trade with another country signatory to MARPOL 73/78. Which statement is TRUE?
N a. The Certificate of Inspection serves as prima facie evidence of complying with MARPOL 73/78. Y b. The IOPP Certificate for an inspected vessel is valid for 5 years. N c. An IOPP Certificate is invalidated if the ship carries cargoes outside the classes authorized thereon. N d. An IOPP Certificate is renewed at each inspection for certification. 1580: Shell plating that has curvature in two directions and must be heated and hammered to shape over specially prepared forms is called __________.
N a. compound plate Y b. furnaced plate N c. flat plate N d. rolled plate 1702: Your containership has a container displaying a hazardous cargo placard. The placard has the number 2282 on it. This indicates that it is carrying what cargo?
N a. Isoheptene N b. Phosphine N c. Furan Y d. Hexanols 1755: Which knot shown is a French bowline? (DO30DG )
N a. L Y b. T N c. Q N d. W 1804: Instead of whipping an end of a line, a temporary means of preventing the line from unraveling is to tie a __________.
N a. becket bend N b. blackwall hitch Y c. figure-eight knot N d. square knot 1815: "Ease the rudder" means to __________.
N a. steer the course which is your present heading N b. move the rudder slowly in the direction of the most recent rudder command N c. bring the rudder amidships Y d. decrease the rudder angle 1862: How much force would be required to lift a weight of 200 lbs. using a gun tackle rigged to disadvantage (do not consider friction)?
N a. 50 lbs. Y b. 100 lbs. N c. 150 lbs. N d. 200 lbs. 1862: How much force would be required to lift a weight of 200 lbs. using a gun tackle rigged to disadvantage (do not consider friction)?
N a. 50 lbs. Y b. 100 lbs. N c. 150 lbs. N d. 200 lbs. 2033: A spring line leads __________.
Y a. fore and aft from the ship's side N b. to the dock at a right angle to the vessel N c. through the bull nose or chock at the bow N d. through the chock at the stern 2167: Which statement concerning sweat damage in containers is TRUE?
N a. Sweat damage in containers is unusual due to the small enclosed volume of air. N b. In general, containerized hygroscopic cargoes are the only ones subject to sweat damage. Y c. Containers should be ventilated, dehumidified, or the contents physically protected against sweat damage. N d. Sweat damage is not a problem except in insulated and refrigerated containers. 2568: You are proceeding along the right bank of a narrow channel aboard a right-handed single-screw vessel. The vessel starts to sheer due to bank suction/cushion effect. You should __________.
N a. stop engines and put the rudder left full N b. back full with rudder amidships N c. decrease speed and put the rudder right full Y d. increase speed and put the rudder right full 2570: When a line is laid down in loose, looping figure-eights, it is said to be __________.
Y a. faked N b. flemished N c. coiled N d. chined 2598: Where, due to the arrangement of the vessel, lifejackets may become inaccessible, additional lifejackets shall be carried __________.
N a. for the people on bridge watch N b. for the forward lifeboats Y c. as determined by the OCMI N d. for 50% of the crew of the vessel, not including those assigned to engineering duties 2609: Which tanker discharge pattern would be the safest and most efficient?
N a. Empty the forward tanks and start working aft, emptying each tank in sequence Y b. Start discharging with most of the discharge coming from forward, but include some from midships and after tanks N c. Start pumping from forward, midships, and aft with the discharge distributed equally among the tanks N d. Start pumping from midships and then work forward and aft simultaneously as the midships tank is emptied 2819: On which of the Great Lakes would shore ice be the most pronounced?
N a. Lake Michigan Y b. Lake Superior N c. Lake Huron N d. Lake Erie 2896: You are proceeding against the current on a river in the Great Lakes System. You are meeting a downbound vessel. Both vessels are power-driven. The other vessel sounds one short blast. You must __________.
N a. change course to port N b. hold course and speed N c. sound three short blasts Y d. sound one short blast 2948: An icebreaker assisting a vessel through an ice field would display a visual signal consisting of the code letter "S" (Sierra) to signify that "________________".
N a. I am altering my course to starboard N b. I am altering my course to port Y c. I am operating astern propulsion N d. My vessel is stopped and making no way through the water 3009: While loading cargo, a white trimming light on the starboard side comes on. This indicates that __________.
Y a. the vessel has a list of about 1` to starboard N b. the chutes should be directed to the starboard side N c. the chutes in No. 1 hold should be directed to the starboard side N d. a severe list to starboard has developed and all loading should cease 3210: A licensed Master of Towing Vessels may NOT serve as the person in charge of which towing vessel?
N a. 99 GRT towing vessel operating on Chesapeake Bay N b. 199 GRT towing vessel operating in the Gulf of Alaska N c. 500 GRT towboat operating on the Western Rivers Y d. 349 GRT towing vessel operating between Florida and Puerto Rico 3516: The signal man has both arms extended out, palms down, and is moving his arms back and forth. This is the signal for __________.
N a. keep lifting N b. swing right N c. swing left Y d. emergency stop 4047: Your vessel is to dock bow in at a pier. Which line will be the most useful when maneuvering the vessel alongside the pier?
N a. Inshore head line Y b. Bow spring line N c. Stern breast line N d. Bow breast line 4061: The two factors which make underwater hull repair difficult are accessibility and the __________.
N a. availability of tools N b. shape of the hull Y c. pressure exerted by the water N d. threat of progressive flooding 4068: What produces the MOST dangerous vapors?
Y a. Anhydrous ammonia N b. Camphor oil N c. Methyl alcohol N d. Pentane 4070: Small floes of rough, hummocky sea ice capable of damaging a vessel __________.
Y a. can usually be detected by radar in a smooth sea at a range of 4 to 6 kilometers N b. are indistinguishable from sea return on the PPI N c. are invisible to radar when covered with a thick layer of snow N d. are usually seen at night before they are close enough to provide a radar echo 4123: The lashings used on Ro-Ro vessels should be capable of withstanding the forces of __________.
N a. any force of gravity acting on the lashes N b. rolling N c. pitching Y d. All of the above 4132: What is used when securing heavy vehicles aboard Ro-Ro vessels?
N a. Buckle or ratchet tensioner N b. Webbing N c. Manila rope Y d. None of these 4206: Which piece(s) of equipment is/are required to "twin-up" 30-ton pedestal cranes aboard a crane vessel?
Y a. Equalizing beam N b. Portable power swivel N c. 20-foot container spreader N d. All of the above 4227: Which of the following is/are the component(s) of a twin crane set as shown? (D047DG )
N a. Foundation assembly N b. Turntable assembly N c. Crane house assembly Y d. All of the above 4233: The 30 ton capacity pedestal cranes shown in the illustration can lift a maximum weight of how many tons when two cranes are married together in twin with the other pair of cranes at the opposite end of the hatch? (D051DG )
N a. 30 tons N b. 60 tons N c. 90 tons Y d. 120 tons 4243: What is/are the advantage(s) of cranes over conventional cargo booms?
N a. Cranes are able to pick up and drop loads over a greater spotting area N b. Increased safety because the deck is clear of running and standing rigging N c. Simplicity of operation of the crane by its operator Y d. All of the above