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.
39: Combustible liquids are divided into how many grades?
N a. One Y b. Two N c. Three N d. Four 57: Under title 46 of the United States Code, the person in charge of a documented vessel who fails to report a complaint of a sexual offense may be __________.
N a. charged with accessory to sexual assault Y b. fined up to $5,000 N c. imprisoned for up to one year N d. All of the above 137: The system of valves and cargo lines in the bottom piping network of a tank barge 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 199: What is a cofferdam?
N a. Tube fitted to an ullage hole N b. Area the product is loaded into Y c. Void or empty space separating two tanks N d. Opening in the deck used for cleaning a tank 203: How does the effect known as "bank suction" act on a single-screw vessel proceeding along a narrow channel?
N a. It pulls the bow toward the bank. N b. It pushes the entire vessel away from the bank. Y c. It pulls the stern toward the bank. N d. It heels the vessel toward the bank. 444: A metal object on the pier resembling a tree stump and made to receive mooring lines is a __________.
N a. bight Y b. bollard N c. chock N d. camel 477: When underway with a tow, you are required to notify the Coast Guard in which casualty situation?
N a. An injury requiring first aid treatment N b. Damage of bridge-to-bridge radio capability Y c. Accidental stranding or grounding N d. Damage to property amounting to $12,500 479: Your tank vessel is loaded down to her marks, and you find that she has too much trim by the stern. To adjust the trim you may __________.
N a. add ballast forward N b. load more cargo forward Y c. shift bunkers forward N d. All of the above 526: You are going ahead on twin engines with rudders amidships. Your port engine stalls. To continue your course you should __________.
Y a. apply right rudder N b. apply left rudder N c. keep your rudder amidships N d. increase engine speed 537: Which type of hook can be used as a towing hook?
N a. Standard towing hooks N b. Spring-loaded towing hooks N c. Pelican hooks Y d. All of the above 583: Which factor(s) must you consider when making up a towing bridle?
N a. The horsepower of the tug N b. The desired amount of swing in the tow hook up N c. The weight of the tow Y d. All of the above 666: You are proceeding at a slow speed with your starboard side near the right bank of a channel. If your vessel suddenly sheers toward the opposite bank, the best maneuver would be __________.
N a. full ahead, hard left rudder Y b. full ahead, hard right rudder N c. full astern, hard left rudder N d. full astern, hard right rudder 669: Which statement describes the motion of a yawing tow?
N a. The tow twists, sometimes violently, astern of the tug N b. The tow sheers to one side behind the tug and maintains a position in a line diagonal to the tug's forward movement N c. The tow snakes behind the tug Y d. All of the above 677: In illustration D044DG, the mooring line labeled "D" is called a(n) __________. (DO44DG )
N a. forward spring line Y b. after spring line N c. waist breast line N d. stern line 690: A rescue helicopter's hoist area should have a radius of at least __________.
N a. 6 feet of clear deck N b. 10 feet of clear deck N c. 25 feet of clear deck Y d. 50 feet of clear deck 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 870: The terms "ceiling" and "margin plate" are associated with the __________.
N a. crew's quarters N b. engine room N c. main deck Y d. tank top 906: A snag or other underwater obstruction may form a __________.
Y a. V-shaped ripple with the point of the V pointing upstream N b. V-shaped ripple with the point of the V pointing downstream N c. small patch of smooth water on a windy day N d. smoothing out of the vessel's wake 910: The purpose of sheer in ship construction is to __________.
Y a. allow the ship to ride waves with drier decks N b. eliminate the need for butt straps N c. eliminate the need for margin plates N d. give greater strength at the deck edge 986: When running before a heavy sea, moving weights aft will affect the handling of a vessel by __________.
N a. reducing rolling N b. increasing rolling Y c. reducing yawing N d. increasing yawing 1072: The normal and safest way for a sailor in a bosun's chair to be raised aloft is __________.
N a. for the sailor to pull himself aloft and then make fast with a bosun's chair hitch Y b. manually by two or three sailors heaving away on deck N c. by taking the gantline to a winch drum and heaving away with the winch N d. by fairleading the gantline with a snatch block and pulling with a cargo runner 1120: A stage should only be rigged __________.
N a. over the bow or stern of a vessel N b. over the flat sides of a vessel Y c. over the open water N d. over the dockside 1272: You are on a tankship carrying benzene in bulk. Which statement is TRUE?
N a. No other cargoes may be carried due to the possibility of contamination by a carcinogen. N b. The crew quarters must have positive-pressure ventilation to prevent the fumes from entering the living spaces. N c. Benzene is not a cancer-causing agent. Y d. Personnel working in regulated areas must use respirators. 1299: Which part of a conventional cargo gear rig provides for vertical control and positioning of a boom?
N a. Cargo whip N b. Gooseneck fitting N c. Spider band Y d. Topping lift 1304: A nylon line is rated at 12,000 lbs. breaking strain. Using a safety factor of 5, what is the safe working load (SWL)?
N a. 2,000 lbs. Y b. 2,400 lbs. N c. 12,000 lbs. N d. 60,000 lbs. 1323: "Ease the rudder" means to __________.
Y a. decrease the rudder angle N b. move the rudder slowly in the direction of the most recent rudder command N c. bring the rudder amidships N d. steer the course which is your present heading 1344: When working with wire rope, which must be considered?
N a. Metal sheaves should be lined with wood or leather. Y b. It needs better care than hemp or manila. N c. It should be lubricated annually. N d. The diameter of a sheave over which a rope is worked should be ten times that of the rope. 1548: What could be used as fairleads on a towed vessel?
N a. Chocks N b. Double bitts N c. Roller chocks Y d. All of the above 1598: On a vessel with a single propeller, transverse force has the most effect on the vessel when the engine is put __________.
N a. full ahead Y b. full astern N c. half ahead N d. slow astern 1611: On a transpacific voyage, you receive a message from your vessel's operators saying that your vessel has been consigned to Naval Control of Shipping. Further information is contained in __________.
Y a. Radio Aids to Navigation (PUB 117) N b. the Coast Pilot N c. the International Code of Signals (PUB 102) N d. the Light List 1697: Using the graph shown, if the dry bulb temperature is 85°, and the wet bulb temperature is 73°, what is the relative humidity in a cargo hold? (D008DG )
N a. 42% Y b. 55% N c. 67% N d. 85% 1734: Which knot reduces the strength of a line by the LEAST amount?
N a. Bowline N b. Clove hitch N c. Sheet bend Y d. Two half hitches 1740: The group of markings shown is called a __________. (D003DG )
N a. loft mark Y b. load line mark N c. test mark N d. water mark 1776: When anchoring in calm water, it is best to __________.
N a. maintain slight headway when letting go the anchor N b. wait until the vessel is dead in the water before letting go the anchor Y c. have slight sternway on the vessel while letting go the anchor N d. let the anchor go from the stern with the anchor cable leading from the bow 1796: Which safety check(s) should be made before letting go the anchor?
N a. See that the anchor is clear of obstructions. N b. See that the chain is all clear. N c. See that the wildcat is disengaged. Y d. All of the above 1803: A snatch block is a __________.
N a. block used only with manila rope N b. chock roller Y c. hinged block N d. strong block used for short, sharp pulls 1848: You are docking a vessel. Wind and current are most favorable when they are __________.
N a. crossing your course in the same direction N b. crossing your course in opposite directions Y c. parallel to the pier from ahead N d. setting you on the pier 1929: How many tons of salt water can be loaded into a flat-ended cylindrical tank with a diameter of 5 feet and a length of 10 feet?
N a. 22.44 T N b. 11.22 T N c. 7.48 T Y d. 5.61 T 1951: A case received for shipment is marked as shown. The portion of the symbol indicated by the letter A is _______ . (D043DG )
Y a. a stowage sequence marking N b. the consignee's marking N c. a stowage mark, showing the top of the case N d. the symbol for toxic contents 1975: The knot lettered F in illustration DO30DG is a __________. (DO30DG )
N a. becket bend N b. square knot N c. fisherman's bend Y d. round turn and two half hitches 2225: Which knot should be used to secure a line to a spar when the pull is perpendicular to the spar? (DO30DG )
N a. E Y b. F N c. N N d. P 2347: What is an advantage of having wire rope with a fiber core over that of a wire rope of the same size with a wire core?
N a. Fiber core rope offers greater strength. Y b. Fiber core rope offers greater flexibility. N c. Fiber core rope can be used at higher operating temperatures. N d. Fiber core rope is the only type authorized for cargo runners. 2530: Your vessel has gone aground in waters where the tide is falling. The BEST action you can take is to __________.
Y a. set out a kedge anchor N b. shift the vessel's load aft and repeatedly surge the engine(s) astern N c. shift the vessel's load forward and wait until the next high tide N d. slowly bring the engine(s) to full speed astern 2536: Wages due a seaman may be attached by the court for the __________.
N a. payment of any fines imposed by the court N b. payment of back taxes to the IRS Y c. support of a spouse N d. All of the above 2719: Which publication would give detailed information on the commercial vessel traffic reporting system for connecting waters from Lake Erie to Lake Huron?
N a. United States Coast Pilot - Great Lakes #6 N b. U.S. Coast Guard Light List - Vol. VII Y c. Code of Federal Regulations - Title 33 N d. The appropriate Great Lakes Navigation Chart 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 2783: The effect of ocean current is usually more evident on a tug and tow than on a tug navigating independently because the __________.
Y a. speed of the tug and tow is less N b. towline catches the current N c. current causes yawing N d. current will offset the tow 2933: Your vessel is to dock bow first at a pier. Which line will be the most useful when maneuvering the vessel alongside the pier?
N a. Stern breast line Y b. Bow spring line N c. Bow breast line N d. Inshore head line 2978: An icebreaker assisting a vessel through an ice field would display a visual signal consisting of the code letter "E" (Echo) to signify that "________________".
Y a. I am altering my course to starboard N b. I am altering my course to port N c. I am operating astern propulsion N d. My vessel is stopped and making no way through the water 3056: Advection fog holds longest over which portions of the lakes?
Y a. Northwest N b. Southeast N c. Northeast N d. Southwest 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 3291: The riding pawl is __________.
N a. a safety interlock in a cargo winch that prevents the runner from overspeeding Y b. a stopper that prevents the anchor cable from running free if the cable jumps the wildcat N c. the device that locks the deck lashings of the Peck and Hale system N d. the lug that rides on the eccentric rib and engages the locking ring on the windlass 3326: The signal man assisting the crane operator uses one hand to give any motion signal and places the other hand motionless in front of the hand giving the motion signal. This is the signal to __________.
Y a. move slowly N b. increase speed N c. proceed with caution N d. stop 3712: When should a crane boom-up so high that the boom hits the stops?
N a. Only if the load has not exceeded the limit at that angle N b. Only if the load contains non-hazardous materials N c. Only if necessary to perform a given lift Y d. Never 3790: The locking pin that joins the parts of a detachable link is held in position by __________.
N a. a tack weld N b. the self-locking characteristics of its taper N c. a cotter pin Y d. a lead plug 3950: In general, an unreinforced vessel can safely navigate in ice provided the concentration does not exceed how many OKTAs?
N a. 1 Y b. 2 N c. 3 N d. 4 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 4122: The lashings used on Ro-Ro vessels should be capable of withstanding the forces of __________.
N a. pitching and heaving N b. rolling N c. any force of gravity acting on the lashes Y d. All of the above 4262: Which statement(s) is/are TRUE concerning crane cargo operations?
N a. Do not exceed rated load capacity of crane and container spreader or slings. N b. During any cargo handling operation, the safety of personnel is paramount. N c. Cargo handlers must be outfitted with adequate protection from personal injury. Y d. All the above 4279: Which statement is TRUE concerning a tagline as used with a 30-ton pedestal crane?
N a. Taglines are wire rope purchases that raise and lower the jib. Y b. Taglines are wire ropes payed-out or taken-in for horizontal positioning of the rider block. N c. Taglines can be can be fastened to the corners of the jib when lifting containers. N d. The taglines are wire rope purchease that raise and lower the topping lift.