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.
20: You are carrying triethylamine, methyl methacrylate and isoprene in your multiple-product tankship. Which of the following statements is true?
Y a. Isoprene may be carried in a cargo tank adjacent to either of the other two cargoes. N b. Methyl methacrylate may not be carried in a tank adjacent to a pump room. N c. Methyl methacrylate must usually be heated to maintain its stability. N d. Portable thermometers are not permitted to be used to take the cargo temperature of triethylamine. 72: You are in the process of loading 465,000 barrels of cargo oil. At 1030, on 5 November, you gauge the vessel and find that you have loaded 203,000 barrels. At 1200 you find that you have loaded 218,000 barrels. If you continue loading at the same rate, you will finish at approximately __________.
N a. 1510, 5 November N b. 1104, 6 November Y c. 1242, 6 November N d. 0735, 7 November 108: Damage to cargo caused by dust is known as __________.
Y a. contamination N b. oxidation N c. tainting N d. vaporization 128: Which is characteristic of a "special cargo"?
N a. The cargo gives off toxic gases when heated. N b. Periodic inspection is required while in transit to prevent spoilage. Y c. It is of high value or easily pilferable. N d. It must be stowed on deck. 132: What is a characteristic of all centrifugal cargo pumps?
N a. They are self-priming. Y b. Decreasing the speed of rotation will decrease the discharge pressure. N c. Opening the discharge valve wider will increase the discharge pressure. N d. All of the above 139: A "barrel" is a unit of liquid measure equivalent to __________.
N a. 40 U.S. gallons at 50°F Y b. 42 U.S. gallons at 60°F N c. 43 U.S. gallons at 65°F N d. 45 U.S. gallons at 75°F 234: The helm command "shift your rudder" means __________.
N a. double your rudder angle or go to full rudder N b. bring your rudder amidships Y c. change from right rudder to left rudder, or vice versa, an equal number of degrees N d. check the swing of the vessel 324: A "chock" is a __________.
N a. deck fitting used to secure mooring lines Y b. casting fitted at the side of a weather deck, used as a fairlead N c. sharp block of wood used to support hygroscopic cargo N d. smoke pipe for the galley stove 405: At the establishment of Naval Control of Shipping (NCS), ships at sea will __________.
N a. stop and await further orders N b. attempt to make their way to the nearest port of a friendly nation and await further instructions Y c. continue voyages unless in danger areas defined in the advisory or supplemental message N d. keep radio silence 422: Which method should be used to secure a synthetic fiber line to two bitts?
Y a. Two round turns on the bitt closest to the strain and then figure eights N b. Two round turns on the bitt farthest from the strain and then figure eights N c. Figure eights and then a round turn at the top of both bitts N d. Only figure eights are necessary on both bitts 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 $12,500 482: A lot of special cargo of similar cartons is to be loaded aboard your vessel. You examine one of the cartons of the lot shown. What is the total cubic space the consignment will occupy? (Assume no broken stowage.) (D042DG )
N a. 51 cubic feet (1.5 cubic meters) Y b. 58 cubic feet (1.7 cubic meters) N c. 336 cubic feet (10 cubic meters) N d. 700 cubic feet (21 cubic meters) 493: What does "end for end" mean in regard to a towing hawser?
N a. To take the kinks out of the hawser N b. To fake it down in figure eights N c. To increase the catenary Y d. To swap ends of the hawser to minimize wear 513: Wire rope is used in the towing industry __________.
N a. for back up wires and main towing hawsers N b. for face wires or jockeys when pushing ahead N c. as stern wires when pushing ahead Y d. All of the above 618: When considering a vessel's stability, which spaces in a general cargo vessel are the best locations for the carriage of bulk grain?
Y a. Deep tanks N b. Lower holds N c. Lower holds at the ends of the vessel N d. 'Tween-decks 637: A tow bridle is attached to the main tow hawser at the __________.
N a. bight ring N b. tow hook Y c. fishplate N d. swivel 689: When your tug reduces speed to shorten tow, the __________.
N a. length of the tow gets shorter as the strain is reduced N b. tow may continue its momentum and overtake the tug N c. towing hawser may drag the bottom and put the tug in irons Y d. All of the above 782: The owner or Master of a towing vessel shall ensure that each person that directs and controls the movement of the vessel can accurately fix the vessel's position using all of the following EXCEPT ___________ .
N a. installed navigational equipment Y b. buoys alone N c. all available aids to navigation N d. depths soundings and hydrographic contour lines 824: The larger sizes of manila line are measured by their __________.
N a. radius N b. diameter Y c. circumference N d. weight per foot 872: In a foreign port with a consulate, the U.S. Consul may excuse the Master from personally appearing before him to consent to the mutual release of an injured seaman, when the __________.
Y a. injury requires immediate inpatient hospitalization of the seaman N b. Master authorizes the agent to act in his place N c. ship is still in port and the seaman can appear before the Consul after medical treatment N d. seaman also consents to the absence, and there is no dispute as to the wages due 880: The projecting lugs of the rudderpost which furnish support to the rudder are called __________.
N a. bases Y b. gudgeons N c. pintles N d. rudder lugs 894: When taking a length of new manila rope from the coil, you should __________.
N a. mount the coil so it will turn like a spool and unreel from the outside N b. roll the coil along the deck and allow the rope to fall off the coil Y c. lay the coil on end with the inside end down, then pull the inside end up through the middle of the coil N d. lay the coil on end with the inside end up then unwind the rope from the outside of the coil 967: While steering by autopilot you notice that the vessel is deviating from the given course and there is no follow up with corrective rudder action to return to the proper heading. The emergency operating procedure should require you to immediately change operation from __________.
Y a. "gyro" to "hand" N b. "hand" to "gyro" N c. "gyro" to "control" N d. "control" to "hand" 989: You are loading 465,000 barrels of cargo oil. At 0900 you find that you have loaded 207,000 barrels. At 1030 you find that you have loaded 223,000 barrels. If you continue loading at the same rate, you will finish at approximately __________.
N a. 2100 that night N b. 0730 the next day Y c. 0910 the next day N d. 1215 the next day 1005: Which device is designed to automatically hold the load if power should fail to an electric winch?
N a. Pneumatic brake Y b. Electromagnetic brake N c. Hand brake N d. Motor controller 1019: A tank holds 400 tons of sea water when filled. How many tons of liquid of specific gravity 0.9300 will it hold when filled to 90% capacity?
Y a. 326.6 N b. 343.2 N c. 377.6 N d. 390.2 1026: When making way in heavy seas you notice that your vessel's screw is being lifted clear of the water and racing. One way to correct this would be to __________.
N a. increase speed Y b. decrease speed N c. move more weight forward N d. shift the rudder back and forth several times 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 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 1162: How does a vessel's rate of turn change when entering shallow water?
N a. It is faster. N b. It is slower. Y c. There is no change. N d. It remains constant for varying propeller revolutions. 1195: Under the Carriage of Goods by Sea Act of 1936, a vessel will be liable for damage to a cargo when the damage arises from __________.
Y a. unseaworthiness when sailing N b. insufficient packing N c. quarantine delays N d. mismanagement of the vessel 1214: Which statement is TRUE about nylon line?
N a. Manila line will usually last longer than nylon line. N b. Nylon line is excellent for use in alongside towing. N c. A normal safe working load will stretch nylon line 50%. Y d. Nylon stoppers should be used with nylon line. 1488: What does the term "end-for-end" refer to in regard to a wire towing hawser?
N a. Cutting off the bitter and towing ends of the wire rope N b. Splicing two wire ropes together Y c. Removing the wire rope from the drum and reversing it so that the towing end becomes the bitter end N d. Removing the wire rope from the drum and turning it over so that the wire bends in the opposite direction when rolled on a drum 1552: Which picture represents a stopper hitch? (DO30DG )
N a. M Y b. N N c. R N d. L 1659: The safe working load for the assembled cargo gear and the minimum angle to the horizontal for which the gear is designed shall be marked on the __________.
N a. deck N b. head of the boom Y c. heel of the boom N d. mast or king post 1712: You are to load styrene in bulk, which is subject to self-polymerization. You must __________.
N a. not carry any cargo in the tanks surrounding the tank loaded with styrene N b. inject nitrogen to pad any ullage above the styrene to prevent contact with oxygen Y c. be furnished with a Certificate of Inhibition to be maintained on the bridge N d. use heating coils to maintain the styrene within the temperatures specified by the shipper 1805: In towing it is desirable for the tug and the tow to ride wave crests simultaneously because __________.
Y a. shock loading on the tow line is reduced N b. towing speed is improved N c. the tow is more visible from the tug N d. the catenary of the towline is reduced 1914: You need to make a fixed loop at the end of a line in order to use the line as a mooring line. You have insufficient time to make a splice. Which knot should you use?
N a. Clove Hitch N b. Fisherman's Bend Y c. Bowline N d. Round-turn and two half hitches 2005: A block that can be opened at the hook or shackle end to receive a bight of the line is a __________.
N a. bight block N b. gin block N c. heel block Y d. snatch block 2027: Your vessel is issued a load line certificate dated 27 May 1992. What is NOT an acceptable date for one of the surveys for endorsements?
N a. 28-Feb-93 Y b. 27-Nov-93 N c. 26-Aug-94 N d. 27-May-95 2040: The plating indicated by the letter N is known as the __________. (D033DG )
Y a. inner bottom N b. floor riders N c. tank-top rider plating N d. ceiling 2093: What is the mechanical advantage of tackle number 10? (DO29DG )
N a. 4 N b. 4.5 Y c. 5 N d. 5.5 2104: You are proceeding to a distress site where the survivors are in liferafts. Which action will assist in making your vessel more visible to the survivors?
N a. Steering a zigzag course with 5 to 10 minutes on each leg N b. Steering a sinuous course N c. Dumping debris over the side to make a trail to your vessel Y d. Making smoke in daylight 2180: The weight of the container and its contents is supported on deck by what part(s)?
Y a. Four lower corner castings N b. Bottom, side, and end rails N c. Bottom flooring, side, and end rails N d. Bottom flooring only 2366: To "shore up" the main deck for the stowage of deck cargo means to __________.
N a. weld pad eyes on deck in proper position to secure the cargo Y b. strengthen the main deck by placing pillars underneath it in the tween-decks N c. distribute the weight of the cargo by placing fore-and-aft planks on the main deck N d. package the cargo in wooden crates so it will not damage the deck 2492: When a tug makes up to a large vessel, the spring line should lead from the forwardmost part of the tug so that __________.
N a. friction on the spring line is minimized N b. the length of the spring line is minimized N c. the head line and spring line can be worked simultaneously Y d. the tug can pivot freely 2602: As you hold a piece of manila line vertically in front of you, the strands run from the lower right to the upper left. Which type of line is this?
N a. Plain-laid N b. Shroud-laid Y c. Left-hand laid N d. Water-laid 2604: The joint formed when two steel plates are placed end-to-end is called a __________.
N a. bevel N b. seam Y c. butt N d. bond 2924: You are on a large vessel fitted with a right-handed controllable-pitch propeller set at maximum forward pitch. Which statement about reversing is TRUE?
N a. When the pitch is reversed, the stern will slew to port even with headway. N b. The vessel will respond to the rudder until sternway is developed, then the stern will slew to starboard. Y c. There will probably be a loss of steering control. N d. The vessel will have full rudder control throughout the speed change from ahead to astern. 2946: Which single-letter signal, when used by icebreakers on the Great Lakes, may be made by using the ship's whistle?
N a. E N b. I Y c. M N d. None 3102: When hip towing, a line led from the stern of the towboat forward to the barge provides the towing pull when __________.
N a. going ahead N b. dead in the water N c. in a following current Y d. backing 3170: A license for apprentice mate (steersman) of uninspected towing vessels shall be renewed within what time period before or after the expiration date?
N a. 30 days N b. 90 days N c. 6 months Y d. 12 months 3290: What will be accepted as the shipping papers for an unmanned tank barge but will not be accepted if the tank barge is manned?
N a. Bill of Lading Y b. Logbook entry N c. Manifest N d. Shipping document 3290: What will be accepted as the shipping papers for an unmanned tank barge but will not be accepted if the tank barge is manned?
N a. Bill of Lading Y b. Logbook entry N c. Manifest N d. Shipping document 3459: The pea is indicated by which letter? (D038DG )
Y a. J N b. H N c. G N d. F 3487: The opening in the deck that leads the anchor cable outside the hull is the __________.
Y a. hawsepipe N b. fall pipe N c. drop-pipe N d. spill pipe 3740: Instructions to the crew in the use of all the ship's lifesaving equipment shall be completed __________.
N a. before sailing N b. within one week of sailing N c. in one month and repeated quarterly Y d. within any two month period 4067: When steering a vessel, a good helmsman does NOT __________.
N a. use as little rudder as possible to maintain course N b. advise his relief of the course being steered N c. consider steering a vessel a highly responsible job Y d. use as much rudder as possible to maintain course 4151: Which of the following statements is TRUE regarding lashing requirements to secure vehicles aboard Ro-Ro vessels?
N a. It is NOT imperative that the securing of cargo on flats and trailers and in containers be adequate for BOTH road and sea motions. Y b. The generally recommended lash angle should not be greater than 45 degrees relative to the deck in any direction. N c. For effective securing vehicles should be stowed athwartships whenever possible. N d. It is not necessary to lash automobiles since setting the brakes is sufficient to keep them from moving. 4174: What should be done immediately after putting down the stern ramp on a Ro-Ro vessel, prior to loading or discharging cargo?
N a. Turn on the red cargo light. N b. Turn on pumproom ventilation. N c. Call out the deck department for all hands. Y d. Raise/open the stern door.