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 39: Combustible liquids are divided into how many grades?
N a. One Y b. Two N c. Three N d. Four 43: In illustration D044DG, the mooring line labeled "D" is called a(n) __________. (DO44DG )
Y a. after spring line N b. forward spring line N c. waist breast line N d. stern line 176: The turning circle of a vessel is the path followed by the __________.
N a. tipping center N b. bow N c. outermost part of the ship while making the circle Y d. center of gravity 277: Allied Naval Control of Shipping (NCS) has been established. Which statement is TRUE?
N a. The Naval Control of Shipping Organization of each nation will serve their own ships only. N b. Allied ships, which are at sea when an emergency is declared, will all be controlled by a central authority. N c. The conduct of US-flag ships in an allied port will be controlled by US NCS authorities. Y d. After Naval Control of Shipping has been established, permission to sail must come from local naval authorities or consular officers. 416: While moving ahead, a twin-screw ship has an advantage over a single-screw ship because __________.
N a. correct trim will be obtained more easily N b. drag effect will be cancelled out Y c. side forces will be eliminated N d. speed will be increased 515: When compared to a fiber towing hawser, what is NOT an advantage of a wire towing hawser?
N a. Wire is easy to handle when properly spooled on the drum of a towing winch. Y b. Wire has more spring and shock resistance than fiber. N c. Wire can be used to tow heavier loads because of its smaller diameter and more manageable size. N d. Wire is subject to less deterioration if properly maintained. 703: The operator of an uninspected vessel MUST assist people affected by an accident if he or she can do so without __________.
Y a. serious danger to his or her own vessel N b. further damaging the other vessel N c. undue delay N d. creating a panic on either vessel 763: A vessel that tows astern must have a/an ___________ .
N a. towing winch Y b. method to easily release the towline N c. oxy-acetylene cutting torch N d. ax or knife mounted near the towing bitts 776: In most cases, when a large merchant vessel enters shallow water at high speed the __________.
N a. maneuverability will increase N b. speed will increase Y c. bow will squat farther than the stern N d. vessel will rise slightly, on a level plane 878: You are going to load bales of wool having a stowage factor of 96 in #3 lower hold which has a bale cubic of 84,000. How many tons of wool can be stowed in the compartment?
N a. 577 N b. 602 N c. 654 Y d. 875 944: When caring for natural-fiber line, you should NEVER __________.
N a. dry the line before stowing it Y b. lubricate the line N c. protect the line from weather N d. slack off taut lines when it rains 956: When a vessel is swinging from side to side off course due to quartering seas, the vessel is __________.
N a. broaching N b. pitchpoling N c. rolling Y d. yawing 1063: You have been pulled aloft in a bosun's chair rigged to a mast that you intend to paint. You are now supporting your weight by seizing the hauling part and the standing part of the gantline in one hand. Your next procedure in securing the bosun's chair is to __________.
N a. secure the tail of the standing part leading from the becket bend to the mast Y b. dip the bight of the hauling part around your back and up in front of you to form the hitch N c. take a strain on the hauling part by having it led to the gypsy head on a winch N d. secure the standing part of the gantline to the hauling part by taking turns of marlin and tying off 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 1112: What is an advantage of the 6X37 class of wire rope over the 6X19 class of wire rope of the same diameter?
Y a. Greater flexibility N b. More resistance to corrosion N c. More resistance to elongation N d. Lower weight per foot 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 1137: When lowering manropes alongside a stage rigged over the side of a vessel, they should be allowed to trail in the water __________.
N a. to easily remove the kinks that form in the lines N b. to allow the seamen on the stage to know the direction and strength of the current Y c. to provide the seaman something to hold onto if he or she falls from the stage into the water N d. only for short periods of time since they will become waterlogged and be very heavy to pull up 1143: When rigging a stage, the standing part should be fastened to the horns of a stage with which of the following hitches?
N a. Clove hitch N b. Timber hitch Y c. Marlinespike hitch N d. Double blackwall hitch 1268: The S.S. Ossel Hitch arrives in Capetown, South Africa, and the Master affects a note of protest with the U.S. Consul. Why would the Master affect this document?
N a. Crew misconduct N b. Inability of vessel to comply with voyage charter N c. Suspicion of cargo pilferage by crew Y d. Suspicion of heavy weather damage to vessel or cargo 1319: In relation to cargo gear, what does "SWL" mean?
Y a. Safe working load N b. Ship's working lift N c. Starboard wing lift N d. Stress, weight, load 1759: The amount of strain on each runner of a married fall system lifting 2000 lbs. when the angle made by the legs is 90° would be __________.
N a. 1000 lbs. N b. 1154 lbs. Y c. 1414 lbs. N d. 2000 lbs. 1773: What size block shell should be used with a 4-inch manila line?
N a. 8" Y b. 12" N c. 16" N d. 24" 1808: Which organization would conduct a survey of the insulation in a reefer compartment prior to loading cargo?
N a. U.S. Customs Service N b. OSHA Y c. American Bureau of Shipping N d. National Cargo Bureau 1811: You are towing a large barge on a hawser. Your main engine suddenly fails. What is the greatest danger?
N a. The tug and the tow will go aground. N b. The tow will endanger other traffic. Y c. The tow will overrun tug. N d. The tow will block the channel. 1915: A butt is indicated by which letter? (D033DG )
N a. J N b. F N c. E Y d. D 1915: A butt is indicated by which letter? (D033DG )
N a. J N b. F N c. E Y d. D 1965: A maritime lien may be placed against __________.
N a. any assets that a ship's owner may have Y b. a vessel, cargo, or freight N c. objects that are fixed and immovable, such as wharves N d. the vessel only 1989: If you were to pass a stopper on a wire rope, what should the stopper be made of?
N a. Wire N b. Manila N c. Nylon Y d. Chain 2007: The helm command "shift your rudder" means __________.
N a. double your rudder angle or go to full rudder Y b. change from right rudder to left rudder an equal number of degrees N c. bring your rudder amidships N d. check the swing of the vessel 2068: You intend to tow a barge with one tug and expect continuous high winds from the north. To reduce the yaw of your tow, you should __________.
N a. reduce the draft of the barge Y b. shorten one leg of the bridle N c. place bulky deck loads as far aft as possible N d. trim the barge down by the bow 2130: In a racetrack turn, to recover a man overboard, the vessel is steadied for the SECOND time after a turn of how many degrees from the original heading?
N a. 60° N b. 135° N c. 180° Y d. 360° 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 2192: The part of a windlass which physically engages the chain during hauling or paying out is the __________.
N a. devil's claw N b. bull gear Y c. wildcat N d. cat head 2215: Given a dry bulb temperature of 78°F and wet bulb temperature of 66.5°F, the dew point is __________.
N a. 47.0°F N b. 51.5°F Y c. 59.0°F N d. 70.0°F 2258: The knot lettered L in illustration DO30DG is a __________. (DO30DG )
N a. square knot Y b. double blackwall hitch N c. fisherman's bend N d. timber hitch 2469: While cranking out a quadrantal davit, slippage of the quadrant due to excessive wear or failure of the teeth in the quadrant will cause the __________.
Y a. davit arm to pivot on the traveling nut and the head to fall outboard N b. traveling nut to lock up in place on the worm gear N c. limit switch to engage and hold the traveling nut in position N d. winch brake to lock in position and prevent lowering the boat 2595: Yawing can be described as __________.
N a. jumping on the towline as the tow pitches N b. jumping on the towline as the tow slams into waves Y c. veering from side to side on the end of the towline N d. corkscrew motion of the tow due to wave action 2658: A Kip is equal to __________.
Y a. 1000 lbs. N b. 1000 kgs. N c. 2000 lbs. N d. 2240 lbs. 2718: On Great Lakes vessels, midsummer load lines apply __________.
N a. April 16 through April 30 and September 16 through September 30 Y b. May 1 through September 15 N c. July 16 through August 30 N d. June 16 through September 16 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 2744: An icebreaker assisting a vessel through an ice field would display a visual signal consisting of the code letter "I" (India) to signify that "___________________".
N a. I am altering my course to starboard Y 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 2782: What is a wet cargo?
N a. A liquid cargo carried in the deep tanks Y b. A canned or bottled liquid such as beer N c. A cargo that contains hygroscopic moisture N d. A cargo particularly susceptible to damage by moisture 2926: Many sheath-screw davits have markings to indicate the maximum angle to which they should be cranked out. If the angle is exceeded, the davit __________.
N a. may jam against the stops N b. will not automatically position the boat at the embarkation station Y c. screw may come out of the sheath N d. will chafe against the falls and may cause their failure 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 2949: A vessel which is being assisted by an icebreaker should indicate that he is ready to cast off the towline (if one is used) by __________.
Y a. displaying code letter "Y" (Yankee) N b. sounding five short blasts of his whistle N c. displaying code numeral "5" N d. sounding one prolonged blast of his whistle 3020: The main underdeck pipeline on a tankship is connected to individual tanks by __________.
N a. tank drops N b. line drops N c. crossovers Y d. branch lines 3078: Another name for coal naphtha that would appear on a dangerous cargo manifest is __________.
Y a. benzene N b. tar N c. middle oil N d. toluene 3239: Which term indicates the rise in height of the bottom plating from the plane of the base line?
Y a. Deadrise N b. Camber N c. Molded height N d. Sheer 3262: Fracture damage to the end links of the anchor cable, or to the Jews' harp may be eliminated by __________.
N a. using a small diameter connecting shackle N b. ensuring the swivel is well lubricated and free to turn N c. installing the connecting shackle with the bow towards the anchor Y d. securing a piece of wood to the Jews' harp 3322: The fluke is indicated by which letter? (D038DG )
N a. F N b. G N c. H Y d. I 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 3430: What is NOT considered "jewelry"?
N a. Steamboat ratchets N b. Manila lines Y c. Buttons N d. Shackles 3454: For any given pedestal crane, when the boom is lengthened, the lifting capacity is __________.
N a. unchanged N b. increased N c. eliminated Y d. decreased 3561: A holder of a license as Operator of Uninspected Towing Vessels may work each 24 hours for a period not to exceed __________.
N a. 24 hours N b. 18 hours Y c. 12 hours N d. 6 hours 3960: The line with the most stretch is __________.
N a. manila Y b. nylon N c. polypropylene N d. dacron 4013: What is the minimum size required before a vessel can be documented?
N a. 26 feet; end-to-end over the deck excluding sheer N b. 100 gross tons Y c. 5 net tons N d. 26 feet between perpendiculars 4104: The primary objective of a Ro-Ro vessel is to __________.
N a. transfer containers without chassis N b. load the vessel with palletized cargo Y c. transport vehicles N d. be loaded full and down to her marks 4246: What does "level-luffing" accomplish during crane operations?
N a. It prevents the load from swinging when the boom level is adjusted. N b. Less power is needed when topping the boom with a load on the hook. N c. It maintains the height of the load above the deck. Y d. All of the above 4383: What does item "A" refer to in this illustration of a 30-ton pedestal crane? (D045DG )
N a. Boom luffing falls Y b. Cargo hoist falls N c. Remote block tagline system N d. Slewing cable