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.
58: Odorous cargoes are those that __________.
N a. are exceptionally dusty and leave a residue N b. are liquid but are in containers N c. are susceptible to damage by tainting Y d. give off fumes that may damage other cargoes 122: You may be able to avoid loss of suction in a pump by __________.
N a. using a full tank to keep the pump primed N b. opening the vent cock on the pump N c. closing down on the tank valve Y d. All of the above 237: The latch of a safety hook __________.
N a. increases the strength of the hook Y b. prevents the sling ring from coming out of the hook if the strain is abruptly eased N c. prevents the sling ring from coming out of the hook if there is a strain on the sling ring N d. All of the above 252: You have orders to load cargoes of carbon disulfide, diisopropylamine and pyridine on your multi-product tankship. Which statement is true?
N a. Carbon disulfide may be carried in NOS. 1 and 2 center tanks and diisopropylamine in NOS. 1 and 2 wing tanks. Y b. Pyridine and diisopropylamine may not be carried in tanks having a common header vent. N c. Pyridine must be separated from carbon disulfide by two barriers (cofferdams, voids, empty tanks, etc.). N d. A tank of diisopropylamine may be used to separate a tank of pyridine from a tank of carbon disulfide. 330: You have completed a Dangerous Cargo Manifest for dangerous cargoes loaded on board. It should be kept in a conspicuous location __________.
N a. in the radio room N b. in the ship's office Y c. on or near the bridge N d. outside the Captain's stateroom 411: Tonnage tax is officially based upon the figures obtained from the __________.
Y a. Admeasurement Certificate N b. deadweight scale N c. displacement scale N d. Load Line Certificate 485: To clean a dirty fiber towing hawser used in ocean towing, you should __________.
N a. use lye or other mild detergent Y b. wash it with fresh water, dry and store it N c. wash it with salt water N d. use cleaning fluid on nylon, dacron and other synthetic lines 560: You are loading a cargo that includes cylinders of acetylene aboard your break bulk vessel. Which statement is true?
Y a. The cylinders must be stowed at least 10 horizontal feet from corrosive materials in the same space. N b. Stowage in the upper deck-deck is considered to be the equivalent of "on deck" stowage for this cargo. N c. The cylinders must have a red label for flammability and a green label for compressed gas. N d. The cylinders may be protected from the radiant heat of the Sun by laying a tarp on them. 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 709: The designations A,B,C,D, and E grades of cargo refer to the __________.
N a. degrees of quality of petroleum products Y b. flash point range and Reid vapor pressure index of petroleum products N c. grades of crude oil N d. pour point, color, and viscosity index of petroleum products 720: You suspect that a crewmember has fallen overboard during the night and immediately execute a Williamson turn. What is the primary advantage of this maneuver under these circumstances?
Y a. You will be on a reciprocal course and nearly on the track-line run during the night. N b. The turn provides the maximum coverage of the area to be searched. N c. The turn enables you to reverse course in the shortest possible time. N d. You have extra time to maneuver in attempting to close in on the man for rescue. 752: A lot of special cargo of similar cartons as shown is to be loaded. What is the total cubic capacity the consignment will occupy if you assume 10% broken stowage? (D042DG )
N a. 51 cubic feet (1.5 cubic meters) N b. 58 cubic feet (1.7 cubic meters) Y c. 65 cubic feet (2.0 cubic meters) N d. 336 cubic feet (10 cubic meters) 837: When may foreign licensed or documented personnel be employed on a US-flag towing vessel?
Y a. While on a foreign voyage and outside US jurisdiction, in order to meet manning requirements N b. While operating above the US outer continental shelf N c. On vessels operating on domestic voyages only N d. Never, under any circumstances 866: For the deepest water when rounding a bend in a river, you should navigate your vessel __________.
N a. toward the inside of the bend Y b. toward the outside of the bend N c. toward the center of the river just before the bend, then change course for the river's center after the bend N d. in the river's center 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 958: You are in a tropical port. The refrigeration machinery on a container loaded with air-cooled fruit fails. It cannot be repaired for 18 to 24 hours. Which step should you take to reduce the temperature rise and spoilage of the fruit?
N a. Discharge a cylinder of nitrogen into the container Y b. Shade the container and periodically hose it down N c. Seal any ventilation openings and add dry ice N d. Spread ice over the top layer and in any voids within the container 981: When a vessel is entering or leaving a port, a record of engine speeds is kept in the __________.
Y a. bell book N b. deck rough log N c. Official Logbook N d. engine rough log 1050: The "margin plate" is the __________.
Y a. outboard strake of plating on each side of an inner bottom N b. outer strake of plating on each side of the main deck of a vessel N c. plate which sits atop the center vertical keel N d. uppermost continuous strake of plating on the shell of a vessel 1075: You are standing wheelwatch on entering port, and the Master gives you a rudder command that conflicts with a rudder command from the Pilot. What should you do?
N a. Obey the Pilot Y b. Obey the Master N c. Ask the Pilot for guidance N d. Bring the rudder to midships 1090: A chock __________.
N a. is a deck fitting used to shackle gear to the deck N b. permits easy jettisoning of deck cargo in an emergency N c. prevents stress concentration in the bulwark Y d. provides openings through the bulwark for mooring lines 1169: Static electricity may be built up by the __________.
N a. spraying or splashing of petroleum N b. settling of solids or water in petroleum N c. flow of petroleum through pipes Y d. All of the above 1180: The regulations require that inspected vessels on an international voyage, other than small passenger vessels, must carry which of the following distress signals on or near the navigating bridge?
N a. 12 hand red flares Y b. 12 rocket parachute flares N c. 12 hand combination flares and orange smoke signals N d. 6 hand red flares, and 6 hand orange smoke signals 1211: When clearing a vessel for a foreign voyage, the original crew list is duly certified by proper authority. In a U.S. port, this authority is the U.S. __________.
N a. Coast Guard Y b. Customs N c. Immigration Service N d. Public Health Service 1275: The tension on an anchor cable increases so that the angle of the catenary to the seabed at the anchor reaches 10°. How will this affect the anchor in sandy soil?
N a. It will have no effect. N b. It will increase the holding power. Y c. It will reduce the holding power. N d. It will cause the anchor to snag. 1404: Galvanizing would not be suitable for protecting wire rope which is used for __________.
Y a. cargo runners N b. mooring wires N c. shrouds N d. stays 1459: When handling cargo, the majority of cargo gear breakdowns is due to __________.
N a. compression bending of the boom N b. extension failure of the boom Y c. guy failures N d. topping lift failures 1568: A tackle is "two blocked" when the blocks are __________.
N a. equally sharing the load Y b. jammed together N c. as far apart as possible N d. rove to the highest mechanical advantage 1575: The key to rescuing a man overboard is __________.
N a. good communication N b. a dedicated crew N c. good equipment Y d. well-conducted drills 1671: The number of certificated able seamen and lifeboatmen required on a vessel is determined by the __________.
N a. International Maritime Organization N b. Corps of Engineers Y c. Coast Guard N d. American Bureau of Shipping 1672: You are to load a consignment of lumber. Each piece measures 2-inches thick, 10-inches wide and 16-feet long. There are 30,000 pieces in the shipment. How many board feet would be listed on the Bill of Lading?
Y a. 800,000 N b. 1,200,000 N c. 1,440,000 N d. 14,400,000 1791: Which factor does NOT affect the required freeboard of a cargo vessel?
N a. Season of the year N b. Geographic zone of operation N c. Density of the water Y d. Condition of trim in normal operation 1910: The knot lettered J is a __________. (DO30DG )
Y a. plain whipping N b. bowline N c. marline hitch N d. becket bend 1945: One of your crew members falls overboard from the starboard side. You should IMMEDIATELY __________.
N a. apply left rudder Y b. throw the crew member a life preserver N c. begin backing your engines N d. position your vessel to windward and begin recovery 1950: You are proceeding to a distress site and expect large numbers of people in the water. Which statement is TRUE?
N a. You should stop to windward of the survivors in the water and only use the ship's boats to recover the survivors. N b. If the survivors are in inflatable rafts you should approach from windward to create a lee for the survivors. Y c. An inflatable liferaft secured alongside can be an effective boarding station for transfer of survivors from the boats. N d. Survivors in the water should never be permitted alongside due to the possibility of injury from the vessel. 1979: What is a proper size block to use with a 3-inch circumference Manila line?
N a. At least a 12-inch sheave Y b. 9-inch cheek, 6-inch sheave N c. 8-inch cheek, any size sheave N d. 6-inch cheek, 4-inch sheave 2058: What is NOT suitable for use in making up the towing rig for a heavy, long ocean tow?
N a. Chain Y b. Ring N c. Solid thimble N d. A fishplate 2168: What is the name of tackle number 6? (DO29DG )
N a. Triple purchase N b. Clew garnet tackle N c. Boat falls Y d. Threefold purchase 2184: The lashings on a stack of containers with interlocking fittings restrain the forces that cause __________.
N a. toppling Y b. racking N c. buckling N d. crushing 2187: 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 5. What is the mechanical advantage of this rig? (DO29DG )
Y a. 25 N b. 20 N c. 15 N d. 10 2193: You have determined the maneuvering characteristics of your vessel by taking the radar ranges and bearings of an isolated light while making a turn. The results are listed in illustration D035DG. Based on this data what is the tactical diameter of the turning circle? (D035DG )
N a. 755 yards N b. 780 yards N c. 820 yards Y d. 880 yards 2356: "Hard right rudder" means __________.
N a. jam the rudder against the stops N b. meet a swing to the right, then return to amidships Y c. put the rudder over to the right all the way N d. put the rudder over quickly to 15 degrees right rudder 2386: A vessel has an amidships superstructure. Which location would be most suitable for main deck stowage of vehicles?
N a. On top of #1 hatch N b. Beside the hatches, forward of the midships house N c. On top of the aftermost hatch on the vessel Y d. On top of the hatch immediately aft of the midships house 2456: Which term describes a part of a natural fiber line?
N a. Lacings N b. Lays Y c. Strands N d. Twines 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 2520: When a line is spirally coiled about its end and lying flat on deck, it is said to be __________.
N a. coiled N b. faked Y c. flemished N d. seized 2646: Which statement is true concerning repairs on the hull of a vessel which is to be riveted and welded?
N a. Riveting must be completed before welding begins. N b. Riveting and welding should be done alternately. Y c. Welding must be completed before the riveting begins. N d. It does not matter in what order the operations are done. 2760: When the wave period and the apparent rolling period are the same __________.
Y a. synchronous rolling occurs N b. roll period decreases N c. roll period increases N d. roll amplitude is dampened 2858: Which characteristic is a disadvantage of a controllable- pitch propeller as compared to a fixed-pitch propeller?
N a. Slightly higher fuel consumption N b. Lack of directional control when backing N c. Inefficient at high shaft RPM Y d. Some unusual handling characteristics 3017: Which situation requires you to furnish a notice of marine casualty to the Coast Guard?
N a. Storm damage to the cargo winch motors requires repairs costing $19,000. Y b. Your vessel is at anchor and grounds at low tide with no apparent damage. N c. You collide with a buoy and drag it off station with no apparent damage to the vessel or the buoy. N d. A seaman slips on ice on deck and sprains his ankle, requiring an ace bandage. 3048: The proximity of pack ice may be indicated by __________.
N a. changes in seawater salinity Y b. glare on clouds on the horizon N c. changes in air temperature N d. icebergs 3165: When steering a vessel, a good helmsman does NOT __________.
N a. consider steering a vessel a highly responsible job Y b. use as much rudder as possible to keep the vessel on course N c. use as little rudder as possible to keep the vessel on course N d. advise his relief of the course being steered 3173: In a national emergency, when communicating via the Navy, messages are sent by precedence. A message designated FLASH will be delivered within __________.
N a. 3 hours to start of business the following day N b. 1 to 6 hours Y c. 10 minutes if possible N d. 30 minutes to 1 hour 3347: The opening in the deck beneath the anchor windlass that leads to the chain locker is the __________.
N a. hawsepipe N b. fallpipe N c. drop-pipe Y d. spill pipe 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 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 3689: The wildcat is linked to the central drive shaft on most windlasses by __________.
N a. an electromagnetic brake N b. a hydraulic coupling N c. aligning the keyways on both and inserting a key Y d. a mechanical coupling where lugs engage detents 4018: The BEST holding ground for conventional anchors is __________.
Y a. sand N b. very soft mud N c. shale N d. rock 4071: The head block is located___________.
N a. at the base of the boom Y b. at the head of the boom N c. at the head of the mast N d. on top of the jack staff 4146: Which of the following tensioning devices is used with webbing to secure light vehicles aboard Ro-Ro vessels?
N a. Chain lever Y b. Buckle tensioner N c. Adjust-a-matic tensioner N d. Turnbuckle 4149: Which of the following statements is TRUE regarding lashing requirements to secure vehicles aboard Ro-Ro vessels?
N a. The securing of cargo on flats and trailers must be adequate to withstand road motions only. N b. The movements experienced by road borne cargo are the same as the movements of a ship at sea. Y c. The generally recommended lash angle is no greater than 45 degrees relative to the deck in any direction. N d. It is not necessary for an adequate number of securing points on the vehicles themselves since setting the brakes is sufficient.