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.
19: The vessel's "quarter" is located __________.
N a. abeam N b. dead astern N c. just forward of the beam on either side Y d. on either side of the stern 63: Which space(s) is(are) deducted from gross tonnage to derive net tonnage?
N a. Boatswain's stores N b. Chart room N c. Spaces for the exclusive use of the officers or crew Y d. All of the above 81: Your 199 GT tugboat is on a 675 mile coastwise voyage. What percentage of the deck crew must be Able Bodied Seamen?
N a. 0% N b. 25% N c. 50% Y d. 65% 172: While a vessel is in a foreign port where there is no American Consul, a seaman becomes violent prior to sailing. The Master should __________.
N a. call local police, put the seaman in prison ashore, and sail the vessel N b. pay off the seaman and make arrangements with the agent to return him to the original port of signing on in the U.S. Y c. put the seaman in irons and sail to the next port where there is an American Consul N d. send the seaman ashore and arrange with the agent to repatriate him by armed guard 287: On the cargo manifest, the weight of the cargo inside a box is called __________.
N a. gross weight Y b. net weight N c. light weight N d. rate weight 306: You are aboard a single-screw vessel with a right-handed propeller. The vessel is dead in the water and the rudder is amidships. If you reverse your engine you would expect your vessel to __________.
Y a. kick its stern to port N b. kick its stern to starboard N c. move astern without swinging N d. swing its stern to starboard, then to port 360: The label required on containers carrying barium oxide in an international shipment must read __________.
Y a. "Poison" N b. "Spontaneously Combustible" N c. "Radioactive" N d. "Infectious Substance" 372: Keeping the draft at or below the load line mark will insure that the vessel has adequate __________.
N a. ballast Y b. reserve buoyancy N c. displacement N d. rolling periods 406: A twin-screw vessel with a single rudder is making headway. The engines are full speed ahead. There is no wind or current. Which statement is FALSE?
N a. If one screw is stopped, the ship will turn toward the side of the stopped screw. N b. The principal force which turns the ship is set up by the wake against the forward side of the rudder. Y c. Turning response by use of the rudder only is greater than on a single-screw vessel. N d. With the rudder amidships, the ship will steer a fairly steady course. 438: Your vessel is loaded with nonhygroscopic cargoes and is going from a cold to a warm climate. You should __________.
N a. start the exhaust blowers N b. start the intake blowers Y c. not ventilate the cargo holds N d. ventilate the cargo holds 469: With an increase in temperature the volume of flammable and combustible liquids __________.
Y a. expands N b. contracts N c. remains constant N d. remains constant if pressure remains constant 512: When paying out nylon line from around the bitts __________.
Y a. stand clear of the bitts and use two or more round turns under your figure eights N b. you can surge the line even with a single turn N c. no extra turns are necessary since nylon has a high coefficient of friction N d. stand in the bight of the line 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 558: A heated bulkhead has the effect on a hygroscopic commodity of __________.
N a. causing moisture to accumulate against the bulkhead N b. lowering the vapor pressure of the commodity N c. lowering the dew point of the air Y d. raising the vapor pressure of the commodity 581: The Certificate of Inspection for your tankship authorizes the carriage of grade A and lower products. Which chemical may NOT be carried unless it is specifically endorsed on the Certificate of Inspection?
N a. Amylene N b. Diisobutyl Phthalate N c. Oleic acid Y d. Vinyl acetate 652: When plugging holes below the waterline you should __________.
N a. eliminate all water entering the hole N b. only plug holes in machinery or other vital spaces Y c. reduce the entry of water as much as possible N d. plug the largest holes first 683: Barges and vessels are ballasted before departure to __________.
Y a. improve their stability N b. avoid polluting waters where liquid ballast may not be discharged N c. prevent free surface effects N d. allow movement of liquids within the barge for tank cleaning 774: The strongest of the natural fibers is __________.
N a. cotton N b. hemp Y c. manila N d. sisal 791: The oil record book is required to be carried aboard __________.
N a. tankers N b. passenger vessels N c. cargo vessels Y d. All of the above 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 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 881: The proper way to correct a mistake in the logbook is to __________.
N a. erase the entry and rewrite N b. completely black out the entry and rewrite Y c. draw a line through the entry, rewrite, and initial N d. draw several lines through the entry and rewrite 935: The scuppers had been plugged as required at the time an oil spill occurs on deck. After shutting down the transfer, the engineroom should first be informed and then __________.
N a. rig a fire hose and call for water on deck Y b. spread an absorbent material, such as sawdust N c. remove the plugs from the scuppers N d. sound the general alarm 1008: When anyone voluntarily deposits his/her license or document with a Coast Guard investigating officer __________.
N a. he/she permanently gives up rights to the license or document Y b. it may be for reasons of mental or physical incompetence N c. it must be for reason of addiction to narcotics N d. All of the above 1010: When the longitudinal strength members of a vessel are continuous and closely spaced, the vessel is __________.
N a. transversely framed Y b. longitudinally framed N c. intermittently framed N d. web framed 1136: Your vessel is to dock bow first at a pier without the assistance of tugboats. Which line will be the most useful when maneuvering the vessel alongside the pier?
N a. Bow breast line Y b. Bow spring line N c. Inshore head line N d. Stern breast line 1149: You are on anchor watch. As an aid to preventing thievery on the vessel you should __________.
N a. show running lights, anchor lights and deck lights N b. only show the required anchor lights and keep the rest of the vessel darkened N c. maintain water on deck with firehoses led out and all-purpose nozzles attached Y d. show anchor lights, deck lights and cargo lights hung over the vessel's side 1173: You are making a sharp turn in a channel and using a buoy four points on the bow to gauge your rate of turn. If you observe the buoy moving forward relative to you, what should you do?
N a. Increase the rate of turn Y b. Decrease the rate of turn N c. Maintain a constant rate of turn N d. Increase speed 1196: You are landing a single-screw vessel, with a right-hand propeller, starboard side to the dock. When you have approached the berth and back the engine, you would expect the vessel to __________.
N a. lose headway without swinging Y b. turn her bow toward the dock N c. turn her bow away from the dock N d. head into the wind, regardless of the side the wind is on 1371: Delivery of a vessel to a charterer is called __________.
N a. chartering N b. dispatching N c. fixing Y d. tendering 1390: The body plan of a vessel is a(n) __________.
Y a. endwise view of the ship's molded form N b. longitudinal side elevation view N c. plan made looking down on the ship, showing it's hull cut horizontally by the first set of planes N d. vertical view made looking up in the ship, with the keel at the center 1399: Which part of a cargo boom has the greatest diameter?
N a. Head Y b. Middle N c. Heel N d. It has the same diameter along its complete length. 1426: Forty-five fathoms is marked on the anchor chain by __________.
N a. one turn of wire on the first stud from each side of the detachable link N b. two turns of wire on the second stud from each side of the detachable link Y c. three turns of wire on the third stud from each side of the detachable link N d. four turns of wire on the fourth stud from each side of the detachable link 1560: Which arrangement of shell plating is used most in modern shipbuilding?
N a. Clinker Y b. Flush N c. In-and-Out N d. Joggled 1565: While in dry dock your vessel will be belt-gauged. This process involves __________.
N a. measuring the thickness of the tail shaft liner N b. taking the vessel's offsets to check for hull deformation N c. testing and examining the anchor cables for defective links Y d. drilling or sonic-testing the hull to determine the plate thickness 1609: For vessels fitted with cargo gear, an initial test of the units under a proof load shall be conducted. Subsequent tests and exams of the same nature shall be carried out at what time interval?
N a. 1 year N b. 3 years N c. 4 years Y d. 5 years 1665: Which picture in illustration DO30DG represents a sailmaker's whipping? (DO30DG )
N a. E N b. F N c. J Y d. K 1693: What is the stress on the hauling part when lifting a 4900 lbs. weight using a twofold purchase rove to least advantage? (Allow 10 percent of the weight per sheave for friction.)
N a. 980 lbs. N b. 1225 lbs. Y c. 1715 lbs. N d. 1837 lbs. 1722: In a national emergency, when communicating via the Navy, messages are sent by precedence. A message designated PRIORITY will be delivered within __________.
N a. 3 hours to start of business the following day Y b. 1 to 6 hours N c. 30 minutes to 1 hour N d. 10 minutes if possible 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 2028: When making up a long, large coastwise tow, which of the following procedures is INCORRECT?
N a. A chain towing bridle is generally preferred N b. Safety shackles should be used when connecting to the fishplate N c. Rig tripping ropes (retrieving lines) Y d. Back-up wires are left slack 2053: A mooring line leading 45° to the keel, used to check forward or astern movement of a vessel, is called a __________.
Y a. spring line N b. warp line N c. bow line N d. breast line 2056: A seaman may not make an allotment to his __________.
N a. minor children N b. grandparents N c. brother Y d. mother-in-law 2086: What is the mechanical advantage of tackle number 11? (DO29DG )
N a. 7 Y b. 6 N c. 5.5 N d. 5 2097: What is the name of tackle number 11? (DO29DG )
N a. Three-two purchase Y b. Double luff tackle N c. Gun tackle N d. Topping lift 2352: The recessed areas on a wildcat are called __________.
N a. pawls N b. sockets Y c. pockets N d. devil's claws 2566: The welds used to join shell plates in flush construction are known as __________.
Y a. butt welds N b. seam welds N c. fillet welds N d. continuous welds 2979: Which statement about shipping coal is TRUE?
N a. Anthracite will generate more methane than bituminous coal. N b. Coal should not be shipped while wet. Y c. Coal should be surface ventilated to remove methane gas. N d. The methane gas generated by coal will react with moisture on the ship's structure and accelerate corrosion. 3036: Which statement about ships operating in ice is FALSE?
N a. Light and partly loaded ships should be ballasted as deeply as possible. Y b. In brash-filled channels, operating with a shallow draft forward is most effective. N c. Traditionally, operating ships light in the ice has been effective in the spring. N d. Good searchlights should be available in the event of night navigation with or without icebreaker escort. 3248: The rope which is the lightest is __________.
N a. manila N b. nylon Y c. polypropylene N d. dacron 3411: When steering a vessel, a good helmsman does NOT __________.
N a. consider steering a vessel a highly responsible job N b. use as little rudder as possible to maintain course Y c. use as much rudder as possible to keep the vessel on course N d. advise his relief of the course being steered 3431: A high cube container is designed specifically to __________.
Y a. carry low density cargoes N b. protect fragile cargoes N c. stow cargoes with concentrated weights such as machinery N d. carry cargoes of very low stowage factors 3610: You have a tow of chemical barges. The mate reports an ammonia smell around the head of the tow. You would suspect a leak in the barge carrying __________.
N a. methyl chloride N b. heptane N c. propanolamine Y d. morpholine 3960: The line with the most stretch is __________.
N a. manila Y b. nylon N c. polypropylene N d. dacron 3982: Fairleads perform the same function as __________.
N a. deadeyes N b. bollards N c. bitts Y d. chocks 4012: The purpose of item G is to __________. (D024DG )
N a. distribute the vessel's thrust over a wider area N b. prevent the towboat from capsizing if item I should part Y c. prevent the knee from shifting when the rudder is put hard over N d. keep the barges from shifting fore and aft 4042: You are on a 120,000 DWT loaded bulk carrier. What is the maximum safe docking speed when coming alongside?
N a. 0.1 foot per second (0.06 knot) Y b. 0.2 foot per second (0.12 knot) N c. 0.5 foot per second (0.30 knot) N d. 0.75 foot per second (0.44 knot) 4105: Cargo that is suitable for carriage on Ro-Ro vessels includes __________.
N a. trailers N b. rolling vehicles N c. containers Y d. All of the above 4110: Which standard operating procedure(s) should be adhered to on a Ro-Ro vessel?
Y a. Periodic inspection and retensioning of lashings as required during voyage N b. Battery cables must be disconnected to prevent fire hazard N c. One deck engine mechanic assigned to oversee the initial loading and lashing N d. All of the above 4209: Pedestal cranes have limit switches to restrict the movement of which function?
N a. Slew travel limits N b. Turntable limits N c. Luff travel limits Y d. All of the above