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.
34: Your vessel has been loaded in a sagging condition. Enroute you encounter heavy weather and notice buckling in the midships deck plating of your vessel. To relieve the strain you could __________.
N a. pump fuel oil from midships to the ends of the vessel N b. reduce speed N c. take a course which most eases the vessel Y d. All of the above 83: The mooring line labeled "A" as shown is called a(n) __________. (D044DG )
Y a. offshore stern line N b. onshore stern line N c. after spring line N d. after breast line 167: You are on a large merchant vessel entering a U.S. port. There is a Pilot on board and he has the conn. Which statement is TRUE?
N a. The Pilot is solely responsible for the safe maneuvering of the ship only if he is required to be on board by law. Y b. The Master is responsible for the safe navigation of the ship and the Pilot is employed for his local knowledge. N c. The Pilot is solely responsible for the internal working of the ship. N d. The Pilot becomes solely responsible for the safe navigation of the vessel only if the Master relinquishes the conn. 170: Which is NOT required on a tankship carrying hazardous liquid cargoes in bulk?
N a. A copy of 46 CFR parts 35 and 150 Y b. Certificate of Adequacy for the hazardous cargoes carried N c. Certificate of Inspection issued under the Tank Vessel Regulations N d. Cargo piping plan showing loading rates for all applicable cargo lines 186: The pivoting point of a vessel going ahead is __________.
N a. at the hawsepipe Y b. about one-third of the vessel's length from the bow N c. about two-thirds of the vessel's length from the bow N d. near the stern 256: When fruit is carried as refrigerated cargo, the most frequent cause of its being infected at the discharge port is __________.
N a. leaks in the ship's refrigeration system Y b. improper cleaning of the cargo spaces N c. carriage at the wrong temperature N d. improper precooling of the cargo spaces 266: The distance that a ship moves forward with each revolution of its propeller, if there is no slip, is called __________.
N a. advance N b. head reach Y c. pitch N d. transfer 323: You are transporting dangerous cargo on your vessel. The regulations require you to __________.
Y a. periodically inspect it and make an entry in a log N b. keep a warning sign posted nearby N c. keep a fire hose run out and ready for use if needed N d. allow no chipping or painting in the vicinity of the cargo 383: What is TRUE of pressure/vacuum valves?
N a. They are designed to provide for the flow of small volumes of tank atmospheres caused by thermal variations in a cargo tank. N b. They should operate in advance of the pressure/vacuum breakers. N c. They should be kept in good working order by regular inspection and cleaning. Y d. All of the above 390: A package contains nitric acid solution and is radioactive. The radiation level at the package surface is .36 millirems per hour. How should this package be labeled?
N a. Radioactive II and oxidizer N b. Radioactive II and poison Y c. Radioactive I and corrosive N d. Fissile class I 528: Determine the dew point when the dry bulb temperature is 74°F (23°C) and the wet bulb temperature is 60°F (16°C). (D008DG )
N a. 14°F N b. 20°F N c. 28°F Y d. 50°F 708: The National Cargo Bureau represents the __________.
N a. agent N b. operator N c. shipper Y d. All of the above 728: How many board feet of dunnage are in a draft 4 feet wide, 1-1/2 feet high and 13 feet long?
N a. 84 N b. 756 Y c. 936 N d. 1021 795: Who certifies the safe working load of cargo booms on a vessel?
N a. U.S. Coast Guard Y b. American Bureau of Shipping N c. Society of Naval Architects and Marine Engineers N d. The Ship's Master 800: A Kort nozzle is a(n) __________.
Y a. hollow tube surrounding the propeller used to improve thrust N b. nozzle attached to a firefighting hose N c. intake valve on a diesel engine N d. piston cylinder on a diesel engine 828: Your vessel's available bale cubic capacity is 625,000 and her available cargo capacity is 10,000 deadweight tons. Disregarding broken stowage, how many tons of pyrite (stowage factor - 13) and how many tons of cork (s.f. - 150) must be loaded to be full and down?
Y a. 6387 tons pyrite, 3613 tons cork N b. 6721 tons pyrite, 3279 tons cork N c. 7500 tons pyrite, 2500 tons cork N d. 9133 tons pyrite, 867 tons cork 889: The owner or Master of a towing vessel must evaluate whether the entire towline, or a part of it, is no longer serviceable. The towline should be removed from service in all cases EXCEPT ___________ .
N a. when recommended by the manufacturer or an authorized classification society N b. in accordance with a replacement schedule Y c. when the vessel is underway N d. depending on the mileage or time that the towline has been in service 907: While assigned to a 90 GRT vessel, you are required to sign "foreign" articles on a voyage from Philadelphia to which port?
Y a. San Francisco, CA N b. Baltimore, MD N c. Tampico, Mexico N d. Montreal, Canada 929: All of the following steps are taken in starting a centrifugal pump, EXCEPT to __________.
Y a. set the relief valve N b. check the lubrication system N c. vent the pump casing N d. open the pump suction and discharge valves 955: In which case is the IOPP Certificate of an inspected vessel NOT invalidated?
Y a. The required oily-water separator malfunctions. N b. The ship is transferred to Liberian registry. N c. An annual survey is conducted fifteen months after the date of certificate issuance. N d. A 15 ppm oily-water separator is replaced by a 100 ppm oily-water separator. 991: When an azimuth of the Sun has been taken and the deviation of the standard magnetic compass computed, the watch officer should record the results __________.
N a. in the vessel's Official Logbook N b. on the compass deviation card Y c. in the compass deviation log N d. on a Napier diagram 996: With a following sea, a vessel will tend to __________.
N a. heave to N b. pound N c. reduce speed Y d. yaw 1029: When cleaning a tank by the Butterworth process, you should begin to pump out the slops __________.
N a. at the end of the drop schedule Y b. when the process is started N c. when the process is finished N d. when the tank is clean 1074: A new coil of nylon line should be opened by __________.
N a. pulling the end up through the eye of the coil N b. taking a strain on both ends N c. uncoiling from the outside with the coil standing on end Y d. unreeling from a spool 1274: If given equal care, nylon line should last how many times longer than manila line?
N a. Three N b. Four Y c. Five N d. Six 1346: The best method of determining if a vessel is dragging anchor is to note __________.
N a. the amount of line paid out N b. how much the vessel sheers while at anchor N c. any change in the tautness of the anchor chain Y d. changes in bearings of fixed objects onshore 1427: Which letter in illustration D030DG represents a plain whipping? (D030DG )
N a. E N b. F Y c. J N d. V 1468: What will NOT reduce yawing of a tow?
N a. Increasing the length of the towing hawser N b. Trimming the tow by the stern Y c. Stowing deck loads forward N d. Drogues put over the stern 1518: Your vessel is being towed and back-up wires have been installed. Back-up wires carry the towing load in the event that the __________.
N a. bridle legs part Y b. towing bitt or pad eye fails N c. bight ring fails N d. main towing hawser parts 1518: Your vessel is being towed and back-up wires have been installed. Back-up wires carry the towing load in the event that the __________.
N a. bridle legs part Y b. towing bitt or pad eye fails N c. bight ring fails N d. main towing hawser parts 1643: The splice designed to pass easily through a block is called a(n) __________.
N a. eye splice N b. short splice Y c. long splice N d. block splice 1654: Which knot should be used to bend two hawsers together for towing?
Y a. Double carrick bend N b. Fisherman's bend N c. Heaving line bend N d. Rolling hitch 1678: Grade D combustible liquids have a maximum flash point of __________.
N a. 109°F N b. 100°F Y c. 149°F N d. 80°F 1715: Which statement concerning a 298 GRT inspected tug engaged in towing from Seattle, WA, to Alaska is TRUE?
Y a. Each crew member must be issued a certificate of discharge at the time of discharge. N b. No able seamen are required. N c. Crew must be signed on before a Shipping Commissioner. N d. A licensed Master of Towing Vessels may serve as Master. 1782: When evacuating a seaman by helicopter lift, which statement is TRUE?
N a. The vessel should be stopped with the wind dead ahead during the hoisting operation. Y b. Flags should be flown to provide a visual reference as to the direction of the apparent wind. N c. The drop line should be grounded first then secured as close to the hoist point as possible. N d. The hoist area should be located as far aft as possible so the pilot will have a visual reference while approaching. 1793: The lines led forward from the bow and aft from the stern when a vessel is moored to the dock are __________.
Y a. bow and stern lines N b. breast lines N c. halyards N d. warps 1889: The helm command "Nothing to the left" means do NOT __________.
N a. use left rudder Y b. steer left of the ordered course N c. steer right of the ordered course N d. leave any buoys on the port side 1935: The knot lettered H in illustration DO30DG is a __________. (DO30DG )
Y a. becket bend N b. bowline N c. plain whipping N d. crown knot 2014: You are using tackle number 12, as shown, to lift a weight. The hauling part of this tackle is bent to the weight hook (w) of tackle number 2. What is the mechanical advantage of this rig? (D029DG )
N a. 9 N b. 10 Y c. 14 N d. 21 2042: Which statement about the deck line is TRUE?
N a. The top of the deck line is marked at the highest point of the freeboard deck, including camber, at the midships point. Y b. A vessel with wooden planks on a steel deck will have the deck line marked at the intersection of the upper line of the wood sheathing with the side shell. N c. The deck edge is marked at the intersection of the freeboard deck with the side shell, at the lowest point of sheer, with the vessel at even trim. N d. On a vessel with a rounded stringer-sheer plate, the deck line is marked where the stringer plate turns down from the plane of the deck line. 2135: A load line certificate is valid for how many years?
N a. 1 N b. 2 N c. 3 Y d. 5 2148: You are the Master of an uninspected diesel towing vessel of 190 GT operating on a regular run from New York to the Gulf of Mexico. Which statement is TRUE?
Y a. All crew members must have Merchant Mariner's Documents. N b. A licensed Chief Engineer is required. N c. Deck watches may be 6 and 6. N d. Able Seamen are not required in the deck crew. 2196: You are using tackle number 10 to lift a weight. The hauling part of this tackle is bent to the weight hook (w) of tackle number 4. What is the mechanical advantage of this rig? (DO29DG )
N a. 24 Y b. 20 N c. 13 N d. 9 2198: You are conducting trials to determine the maneuvering characteristics of your vessel. While making a turn, you take ranges and bearings of an isolated light with the results as shown. Based on this information, what is the transfer for a turn of 90°? (D034DG )
N a. 355 yards Y b. 380 yards N c. 410 yards N d. 455 yards 2199: What is the name of tackle number 2? (DO29DG )
N a. Whip N b. Onefold purchase N c. Single purchase Y d. Gun tackle 2202: You are proceeding under NCS (Naval Control of Shipping) and wish to send a message concerning an initial enemy contact. Which precedence will you assign this message?
N a. O (IMMEDIATE) N b. P (PRIORITY) N c. R (ROUTINE) Y d. Z (FLASH) 2249: Which knot should be used to secure a line to a spar when the pull is parallel to the spar? (DO30DG )
N a. G N b. F Y c. P N d. Q 2509: What is the purpose of cant frames in steel vessels?
N a. To support the overhang of the stern Y b. To provide strength to shell plating at the stern N c. To add strength to the deck beams which support the weather decks N d. To support the plating of a cylindrical tank 2689: After riveting is completed, the joints on the shell of a vessel are generally made watertight by __________.
N a. faying Y b. caulking N c. felt or canvas packing N d. red lead 2722: "Limber" is a term associated with __________.
N a. emergency gear Y b. drainage N c. deck cargo storage N d. securing gear 2822: Which statement about stopping a vessel is TRUE?
N a. A lightly laden vessel requires as much stopping distance as a fully laden vessel when the current is from astern. N b. A vessel is dead in the water when the back wash from astern operation reaches the bow. N c. A tunnel bow thruster can be used in an emergency to reduce the stopping distance. Y d. When a vessel is dead in the water any speed displayed by Doppler log reflects the current. 2940: A vessel reduces speed without backing. The rate that her speed through the water decreases depends primarily on the __________.
N a. vessel's horsepower N b. sea state N c. number of propellers Y d. vessel's displacement 3220: If you are guilty of failure to properly perform your duties as Master of Uninspected Towing Vessels, which of the following actions may NOT be taken?
N a. Issuance of a letter of warning N b. Suspension of your license N c. Revocation of your license Y d. A fine placed against your license 3484: You are on watch and see a man fall overboard. Which man- overboard turn should NOT be used in this situation?
Y a. Scharnow N b. Single turn N c. Racetrack N d. Williamson 4060: You are arriving in port and are assigned to anchor in anchorage circle B-4. It has a diameter of 550 yards and your vessel's LOA is 449 feet. If you anchor in 9 fathoms at the center of the circle, what is the maximum number of shots of chain you can use and still remain in the circle?
N a. 6 shots N b. 5 shots Y c. 4 shots N d. 3 shots 4117: Cargo securing for Ro-Ro is based on the concept of __________.
N a. solid packing Y b. rapid loading and discharge N c. vessel loaded full and down to her marks N d. palletized cargo 4236: What is another description for a tandem crane lift?
N a. Single crane hoisting 30 tons N b. Twin cranes hoisting 60 tons Y c. Quad lift hoisting 120 tons N d. All of the above 4251: Which action(s) is/are included in crane operations?
N a. Single-mode set-up & operation N b. Twin-mode set-up & operation N c. Normal boom stowage and shutdown operation Y d. All of the above 4276: During which condition should the operator of a pedestal crane shutdown operations?
N a. Lightning in the vicinity N b. An approaching squall line N c. A fire on the pier Y d. All of the above 4378: Which statement concerning an automatic towing engine is FALSE?
N a. It automatically maintains tow line tension. N b. It prolongs the life of the hawser by distributing chafing as the hawser is paid out and taken in. Y c. As tension on the hawser increases, more line is taken in by the automatic towing engine. N d. As tension on the hawser decreases, more line is taken in by the automatic towing engine.