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.
41: Considering the manning requirements for U.S. vessels (100 gross tons and above), your cargo vessel has a deck crew of 20 men, exclusive of the officers. How many of these men do the manning regulations require to be Able Seamen?
N a. 5 N b. 7 N c. 10 Y d. 13 96: The distance a vessel moves at right angles to the original course, when a turn of 180° has been completed, is called the __________.
N a. advance N b. pivoting point Y c. tactical diameter N d. kick 96: The distance a vessel moves at right angles to the original course, when a turn of 180° has been completed, is called the __________.
N a. advance N b. pivoting point Y c. tactical diameter N d. kick 156: When heading on a course, you put your rudder hard over. The distance traveled parallel to the direction of the original course from where you put your rudder over to any point on the turning circle is known as __________.
Y a. advance N b. head reach N c. tactical diameter N d. transfer 180: Your tank vessel is loading a hazardous cargo. The allowance for expansion is based on ambient temperatures of what maximum range?
N a. 0°C to 100°C N b. -10°C to 90°C Y c. -18°C to 46°C N d. -40°C to 50°C 268: When a deck cargo is secured with chain or wire lashings and grab (pear) links, which statement is FALSE?
Y a. The amount of take-up is limited by the length of the turnbuckle. N b. At the grab (pear) link, the slack end of chain should be led back and secured to the chain above the link. N c. The lashings should be inspected each day and any slack taken up. N d. The turnbuckle should be secured with a stick or lock nuts. 299: Cargo transfer operations on a tank vessel need NOT be stopped when __________.
Y a. a tug comes alongside while the tanker is loading grade D and E cargoes N b. a large, fresh oil spill is discovered immediately adjacent to the side of the tanker N c. there is an electrical storm in the vicinity N d. there is a fire on the dock or on a nearby vessel 327: You are on a multiple product tankship and carrying methyl acrylate, diethanolamine, and triethylamine. Which statement is TRUE?
N a. Methyl acrylate may be loaded in a tank adjacent to diethanolamine but not triethylamine. Y b. The heating coils to the cargo tank loaded with methyl acrylate must be blanked off. N c. Valve components made of aluminum, copper, or zinc may not be in contact with the cargoes. N d. Each crew member working on deck must have an emergency escape breathing apparatus. 361: The strictest load line regulations apply to __________.
N a. gas carriers N b. freighters (break-bulk) Y c. passenger ships N d. tankers 430: On a manned vessel carrying packaged hazardous cargo, the hazardous materials shall be inspected __________.
N a. every 24 hours unless equipped with a fire detecting system N b. prior to entry into a U.S. port N c. after stowage is complete Y d. All of the above 591: What will NOT be found on the Certificate of Inspection of an ocean going tankship?
N a. Manning requirements Y b. Minimum freeboard permitted N c. Grade(s) of cargoes that the vessel may carry N d. Waters upon which the vessel may be operated 623: When hugging a bank in a narrow channel, you should take precautions against_______________.
N a. bank suction, squat and the effects of vessels passing close aboard N b. clogged sea chests, plugged sea strainers and overheated machinery N c. striking underwater obstructions close to the bank Y d. All of the above 625: Which statement is FALSE?
N a. Your stern is sucked down and your draft increases when going from deep to shallow water. N b. Excessive speed while passing moored vessels may cause them to surge and break their moorings. N c. Excessive speed while passing a tow being pushed ahead or pushing a tow into an eddy too fast may break up the tow. Y d. None of the above 644: The "lay" of a line refers to __________.
N a. its normal location of stowage Y b. the direction of twist in the strands N c. the manner in which it is coiled N d. the manner in which it is rigged 646: What shape barge offers the least resistance in river towing?
N a. A square ended barge Y b. Barges with spoon shaped bows N c. Ship-shaped barges N d. Hopper barges 665: The catenary __________.
N a. acts as a reserve length of towing hawser when the tug applies more power, and it dampens the surge effect of the tow N b. gives an approximation of the amount of strain on the towing hawser N c. is the dip in the towing hawser between the tug and the tow Y d. All of the above 723: What safety precautions must you take when maneuvering on a towing hook?
N a. The engines must be operated on the slow bell. Y b. Clear the afterdeck and fantail of personnel. N c. Lash the hook closed so it does not open accidentally. N d. The towing winch engine must be running. 740: The extension of the after part of the keel in a single- screw vessel upon which the stern post rests is called the __________.
N a. boss N b. knuckle Y c. skeg N d. strut 761: The Immigration and Naturalization Service is concerned with which document on a vessel making preliminary entry into a U.S. port from a foreign port?
N a. Cargo Manifest Y b. Certified Crew List N c. Curio List N d. Shipping Articles 879: Centrifugal pumps have what advantage(s) over reciprocating pumps?
N a. They are less expensive. N b. They are smaller for equivalent pumping ability. N c. They pump more cargo in less time. Y d. All of the above 995: The maneuver which will return your vessel in the shortest time to a person who has fallen overboard is __________.
Y a. a single turn with hard rudder N b. engine(s) crash astern, no turn N c. a Williamson Turn N d. two 180° turns 1020: The Plimsoll mark on a vessel is used to __________.
N a. align the vessel's tail shaft N b. determine the vessel's trim Y c. determine the vessel's freeboard N d. locate the vessel's centerline 1045: If a hydraulic pump on a winch accidentally stops while hoisting, the load will stay suspended because __________.
Y a. a check valve will close and prevent reverse circulation N b. a centrifugal counterweight counteracts the force of gravity. N c. the electric pump motor will cut out N d. the control lever will move to the stop position 1186: Which term describes a rope in which three right-handed strands are laid up left-handed?
N a. Soft-laid N b. Hard-laid N c. Shroud laid Y d. Hawser-laid 1307: Which type of ice is a hazard to navigation?
N a. Ice rind N b. Pancake ice N c. Frazil ice Y d. Growlers 1307: Which type of ice is a hazard to navigation?
N a. Ice rind N b. Pancake ice N c. Frazil ice Y d. Growlers 1411: The time allowed for loading and discharging cargo in a charter party is referred to as __________.
N a. charter hire N b. demurrage N c. dispatch Y d. lay days 1421: The charterer has completed loading the vessel in 3 days instead of the 5 days agreed to in the charter party. As a result of this, the __________.
N a. shipowner may charge for two lay days Y b. charterer may receive dispatch money N c. stevedore may collect demurrage N d. consignee may be required to pay a ceaser fee 1534: Which statement(s) is(are) TRUE concerning wire rope?
Y a. Wire rope should be condemned if the outside wires are worn to one-half their original diameter. N b. Wire rope should be condemned if the fiber core appears moist. N c. Wire rope which is right-hand laid should be coiled counterclockwise to prevent kinking. N d. All of the above 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 1590: A thirty pound plate would be __________.
N a. 3/8" thick N b. 1/2" thick Y c. 3/4" thick N d. 1" thick 1623: A short splice in a line __________.
N a. decreases the size of the line N b. should be used if the line is going through a block N c. should only be used in wire rope Y d. doubles the size of the line 1738: Which vessel is required by regulations to have an Official Logbook?
Y a. A 100-gross ton tug on a trip between Baltimore, Maryland, and San Pedro, California. N b. A 199-gross ton tug on a coastwise trip of 610 miles. N c. A 66-gross ton tug operating between states. N d. All of the above 1768: As a rule, ships of most configurations, when drifting in calm water with negligible current, will lie __________.
N a. bow to the wind Y b. beam to the wind N c. stern to the wind N d. with the wind on the quarter 1826: The knot lettered X in illustration DO30DG is a __________. (DO30DG )
N a. timber hitch N b. becket bend Y c. clove hitch N d. blackwall hitch 1840: You are approaching a steamer that is broken down and are preparing to take her in tow. BEFORE positioning your vessel to pass the towline, you must __________.
Y a. compare the rate of drift between the ships N b. install chafing gear on the towline N c. secure the bitter end of the towing hawser to prevent loss if the tow is slipped N d. have traveling lizards rigged to guide the towline while it is paid-out 2011: The structural member indicated by the letter K is a __________. (D033DG )
N a. longitudinal frame N b. stringer N c. girder Y d. floor 2031: Multi-year ice is the hardest sea ice and should be avoided if possible. It is recognizable because of what tone to its surface color?
N a. Greenish Y b. Bluish N c. Grey N d. Grey-white 2061: A sheave is a __________.
Y a. grooved wheel in a block N b. line to hold a lifeboat next to the embarkation deck N c. partial load of grain N d. seaman's knife 2100: The primary purpose of a load line is to establish required __________.
Y a. minimum freeboard N b. GM N c. transverse stability N d. fresh water allowances 2124: You are on watch aboard a vessel heading NW, with the wind from dead ahead, in heavy seas. You notice a man fall overboard from the starboard bow. Which action would NOT be appropriate?
N a. Hard right rudder N b. Throw a lifebuoy to the man, if possible N c. Send a man aloft Y d. Get the port boat ready 2137: The securing systems for containers were developed to prevent container movement during which ship motion?
N a. Surge Y b. Roll N c. Sway N d. Yaw 2152: Your vessel has the symbol shown inscribed on the side. Which statement concerning this symbol is TRUE? (DO22DG )
N a. This represents the load line marks when engaged on a voyage upon the Great Lakes. N b. The line directly under the triangle is at the same level as the summer load line. N c. The symbol is the equivalent of a load line marking and is used by government vessels (USN, MSC, USCG) only. Y d. The applicable gross and net tonnage of the ship will change if this mark is submerged and the load line mark is visible. 2174: A vessel puts into the port of Kobe, Japan to discharge cargo. While awaiting completion of the cargo operation, the vessel contracts with a local shipyard to have the hull chipped, scaled, and painted. How is the cost of this maintenance handled with the Collector of Customs?
Y a. A declaration is required and duty is involved on the total cost. N b. No declaration is required since this is considered routine maintenance. N c. A declaration is made and duty is charged on the materials only. N d. A declaration is made, but duty is charged on the labor only. 2254: You are using tackle number 4 to lift a weight. The hauling part of this tackle is bent to the weight hook (w) of tackle number 10. What is the mechanical advantage of this rig? (D029DG )
N a. 4 N b. 5 N c. 9 Y d. 20 2280: 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 advance for a turn of 45°? (D034DG )
N a. 590 yards N b. 635 yards Y c. 690 yards N d. 740 yards 2450: Which statement is FALSE concerning precautions during fueling operations?
N a. All engines, motors, fans, etc. should be shut down when fueling. N b. All windows, doors, hatches, etc. should be closed. N c. A fire extinguisher should be kept nearby. Y d. Fuel tanks should be topped off with no room for expansion. 2490: The best method of protecting that portion of a fiber anchor line nearest the anchor from chafing on the bottom is by __________.
N a. using a small scope ratio Y b. replacing that portion with a short length of chain N c. using a hockle to keep that portion of the anchor line off the bottom N d. using a synthetic line 2709: A vessel which is being assisted by an icebreaker should indicate that she is ready to cast off the towline by __________.
Y a. displaying code letter "Y" (Yankee) N b. sounding five short blasts on his whistle N c. displaying code numeral "5" N d. sounding one prolonged blast on his whistle 2742: The internal volume of a cargo hold measured from the inside of the side shell, the underside of the deck, and the tank top is known as the __________.
N a. gross tonnage N b. deadweight space N c. measurement space Y d. grain cubic 2754: Which statement is TRUE concerning vessels over 1600 gross tons certificated for service solely on the Great Lakes?
N a. They must have magnetic compasses. N b. They must have gyro compasses. Y c. They must carry a deep-sea hand lead. N d. All of the above statements are TRUE. 3072: A Great Lakes bulk ore vessel would use an "Iron Deckhand" to assist in __________.
N a. unloading bulk cargo N b. steering the vessel N c. making the vessel fast to a dock Y d. removing hatch covers 3390: When towing, a tow hook is used to __________.
Y a. provide quick release of the hawser N b. pull a tow alongside N c. attach a hawser to a tow which has no bitts or pad eyes N d. join two hawsers for lengthening a tow 3519: Strengthening damaged bulkheads by using wood or steel is called __________.
N a. bracing N b. battening N c. blocking Y d. shoring 3583: Indicated horsepower refers to a towing vessel's power which is __________.
Y a. theoretically available N b. measured on a test bed N c. developed at the shaft N d. measured by dynamometer 4072: How should you signal the crane operator to stop in an emergency?
N a. Extend arm with the palm down and hold this position rigidly. N b. Place clasped hands in front of your body. Y c. Extend arm and move hand rapidly right and left with the palm down. N d. Place both fists in front of the body with the thumbs pointing outward. 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 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 4232: The 30 ton capacity pedestal cranes shown in the illustration can lift a maximum weight of how many tons in the twin mode? (D049DG )
N a. 15 tons N b. 30 tons Y c. 60 tons N d. 120 tons 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.