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.
14: Damaged bulkheads often take a permanent set which is independent of the panting or bulge caused by water pressure. To control this, you should __________.
Y a. install shoring so the shoring supports the damaged bulkheads without pushing on them N b. install shoring so that it pushes on the damaged bulkhead while supporting it N c. use jacks or chain falls to remove the set before installing shores N d. place sandbags by the bulkhead without installing shores 76: Leeway is the __________.
N a. difference between the true course and the compass course N b. momentum of a vessel after her engines have been stopped Y c. lateral movement of a vessel downwind of her intended course N d. displacement of a vessel multiplied by her speed 116: In relation to the turning circle of a ship, the term "transfer" means the distance __________.
N a. gained in the direction of the original course Y b. gained at right angles to the original course N c. the ship moves sidewise from the original course away from the direction of the turn after the rudder is first put over N d. around the circumference of the turning circle 159: What is the standard net barrel for petroleum products?
Y a. 42 gallons at 60°Fahrenheit N b. 48 gallons at 70°Fahrenheit N c. 50 gallons at 50°Celsius N d. 60 gallons at 100°Saybolt 240: The best way to lift many small articles aboard your vessel is with a __________.
Y a. pallet N b. barrel hook N c. spreader N d. snotter 290: What is NOT a form used by ice support services to disseminate information?
N a. Ice Analyses N b. Ice Forecasts N c. Ice Outlooks Y d. Ice Bulletins 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 361: The strictest load line regulations apply to __________.
N a. gas carriers N b. freighters (break-bulk) Y c. passenger ships N d. tankers 448: Hygroscopic cargoes should be ventilated when __________.
Y a. going from a warm to a cold climate N b. the dew point of the outside air is greater than the dew point of the air in the hold N c. the dew point of the air in the hold is very low N d. the outside dew point is 60°F (16°C) and the cargo temperature is 54°F (12°C) 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 500: What would NOT require that a detailed report of the release of hazardous cargo be made to the Department of Transportation?
N a. The valve on an empty portable tank that contained acetone is accidentally opened and some of the residue escapes to the open sea. N b. A carboy of nitric acid is broken on deck while loading and is flushed overboard with no injury or damage. Y c. Part of your deck cargo of five gallon cans of paint is damaged and leaking so you jettison them to eliminate the fire hazard. N d. Heavy weather causes damage to packages of a hazardous liquid that is subsequently pumped out at sea through the bilge pumping system. 640: Which factor(s) can affect the performance of a river towboat?
N a. The draft of the towboat and the draft of the barges under tow N b. The placement of the barges within the tow N c. The presence of flanking rudders and Kort nozzles Y d. All of the above 661: The number of certificated lifeboatmen required for a vessel is found on the __________.
Y a. Certificate of Inspection N b. Muster List ("Station Bill") N c. lifeboats N d. Register or Enrollment 694: An advantage of nylon rope over manila rope is that nylon rope __________.
N a. can be used in conjunction with wire or spring-lay rope N b. can be stored on decks exposed to sunlight Y c. can hold a load even when a considerable amount of the yarns have been abraded N d. gives audible warning of overstress whereas manila does not 721: The mooring line labeled "F" is called a __________. (DO44DG )
N a. bow line N b. forward spring line Y c. breast line N d. None of the above 723: What safety precautions must you take when maneuvering on a towing hook?
N a. The engines must be operated on the slow bell. Y b. Clear the afterdeck and fantail of personnel. N c. Lash the hook closed so it does not open accidentally. N d. The towing winch engine must be running. 726: A common occurrence when a vessel is running into shallow water is that __________.
N a. the wake is less pronounced N b. the vessel is more responsive to the rudder Y c. "squat" will cause a decrease in bottom clearance and an increase in draft N d. All of the above 729: A petroleum liquid has a flash point of 85°F. This is a grade __________.
N a. B flammable liquid N b. C flammable liquid Y c. D combustible liquid N d. E combustible liquid 1009: You are loading 475,000 barrels of cargo oil. At 0800 on 8 July, you find that you have loaded 174,000 barrels. At 1000, you find that you have loaded 192,000 barrels. If you continue loading at the same rate, you will finish at approximately __________.
N a. 1752, 8 July N b. 1940, 8 July N c. 0143, 9 July Y d. 1727, 9 July 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 1040: A well in the uppermost deck of a shelter deck vessel which has only a temporary means of closing for the purpose of gaining an exemption from tonnage measurement is called a(n) __________.
N a. exemption space N b. tonnage deck N c. cofferdam Y d. tonnage opening 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 1171: If you intend to land tulip bulbs from Holland in a U.S. port, they must be inspected by the __________.
Y a. Animal and Plant Health Service Inspector N b. Captain of the Port personnel N c. Quarantine Officer N d. All of the above 1191: Which statement is TRUE about the use of a "gob rope"?
N a. The gob rope is a mooring line for tyhing up lighters for working cargo alongside a vessel anchored in an open roadstead. Y b. The gob rope is used to secure the towline aft over the centerline of a tug.. N c. The gob rope is a line hung over a vessel's side to assist in boarding. N d. The gob rope is a rope used in mooring a vessel to a buoy. 1266: You are docking a vessel in a slip which has its entrance athwart the tide. You land the ship across the end of the pier, stemming the tide, preparatory to breaking the ship around the corner. You have one tug to assist. Where would you generally tie up the tug?
N a. Have her on a hawser from the stern. N b. Tie her up on the inshore bow to hold the ship off the end. Y c. Tie her up on the offshore bow. N d. Tie her up on the inshore quarter to lift the stern. 1392: In illustration D044DG, the mooring line labeled "H" is called a(n) __________. (DO44DG )
N a. forward breast line N b. offshore spring line Y c. offshore bow line N d. onshore bow line 1402: What form of ice is of land origin?
N a. Shuga N b. Floe N c. Spicule Y d. Bergy bit 1411: The time allowed for loading and discharging cargo in a charter party is referred to as __________.
N a. charter hire N b. demurrage N c. dispatch Y d. lay days 1601: What would be prima facie evidence of unseaworthiness?
Y a. Overloading N b. Overstowage N c. Overbooking N d. Overcarriage 1601: What would be prima facie evidence of unseaworthiness?
Y a. Overloading N b. Overstowage N c. Overbooking N d. Overcarriage 1778: You are landing a single-screw vessel with a right-handed propeller port side to a dock. As you approach the dock, you back down on your engine with rudder amidships. You would expect the vessel to __________.
N a. drift away from the dock N b. lose headway without swinging Y c. swing its stern towards the dock N d. swing its stern away from the dock 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 1833: The standing part of a tackle is __________.
N a. all the fall except the hauling part N b. the hook that engages the weight to be moved N c. that part to which power is applied Y d. that part of the falls made fast to one of the blocks 1860: A towline should be fastened to __________.
N a. the chocks at the bow of a towed vessel N b. the most forward, centermost point of a towed vessel such as a sturdy bow rail N c. the mast of a towed sailboat Y d. a secure fitting near the bow of the towed vessel 1938: Towing a structure using two tugs approximately side by side, each using one hawser, is referred to as a __________.
N a. tandem tow N b. Honolulu tow Y c. breasted tug tow N d. tandem tug tow 1988: When towing, what is the main reason for using a chain bridle on a wire hawser?
N a. It makes for an easy connection. Y b. It gives a spring effect to cushion the shock. N c. It eliminates the necessity of a swivel. N d. It does not chafe. 2166: A ballasted vessel sinks enroute to a dry dock. Under these circumstances, the vessel's owner can claim __________.
Y a. actual total loss N b. constructive total loss N c. general average N d. particular average 2191: A wooden deck installed on top of the plating lettered N is known as __________. (D033DG )
N a. spar decking N b. furring Y c. ceiling N d. flooring 2243: You are using tackle number 4, as shown, to lift a weight. The hauling part of this tackle is bent to the weight hook of tackle number 11. What is the mechanical advantage of this rig? (DO29DG )
N a. 4 N b. 6 N c. 10 Y d. 24 2299: You are on a multiple-product chemical tanker and will carry cargoes of isophorone, ethylenediamine, and creosote. Which of the following is TRUE?
Y a. All of these cargoes are compatible. N b. Isophorone is incompatible with ethylenediamine but may be stowed adjacent to creosote. N c. All of these cargoes are incompatible. N d. Ethylenediamine is compatible with isophorone but both are incompatible with creosote. 2325: Which line cannot be spliced?
N a. Braided line with a hollow core N b. Double-braided line Y c. Braided line with a solid core N d. Any line can be spliced 2341: The grooved wheel inside a block is called a __________.
N a. cheek N b. gypsy Y c. sheave N d. drum 2500: Which part of an anchor actually digs into the bottom?
N a. Stock Y b. Fluke N c. Shank N d. Crown 2672: The term "scantlings" refers to the __________.
N a. draft of a vessel Y b. measurements of structural members N c. requirements for ship's gear N d. placement of a vessel's load line 2746: Which of the Great Lakes experiences the least amount of water level fluctuation between seasonal high and low water marks?
N a. Lake Huron N b. Lake Erie Y c. Lake Superior N d. Lake Michigan 2769: You will be advised of any hazardous areas due to the fallout of a nuclear explosive by a message with the code word __________.
Y a. MERWARN N b. NUCLEAR N c. FALLOUT N d. FALLWARN 2822: Which statement about stopping a vessel is TRUE?
N a. A lightly laden vessel requires as much stopping distance as a fully laden vessel when the current is from astern. N b. A vessel is dead in the water when the back wash from astern operation reaches the bow. N c. A tunnel bow thruster can be used in an emergency to reduce the stopping distance. Y d. When a vessel is dead in the water any speed displayed by Doppler log reflects the current. 2824: While being assisted by an icebreaker on Lake Superior, you receive a single letter code instructing you to slow your vessel. Which signal could you use to signify that you are complying with the request?
N a. Three blasts of the whistle N b. The code flag "A" (Alpha) displayed from a halyard Y c. Four blasts of the whistle, namely 1 short 2 long and 1 short N d. The code flag "L" (Lima) displayed from a halyard 2879: The vertical reference for all water levels and bench marks on the Great Lakes - St. Lawrence River System is known as __________.
N a. Mean Sea Level Datum Y b. International Great Lakes Datum N c. Great Lakes Low Water Datum N d. North Central Reference Datum 2944: Your ship is navigating independently in heavy ice when it becomes beset. Which statement is FALSE?
N a. The vessel will most likely require an icebreaker to free her. N b. The vessel may be able to free herself by pumping ballast from side to side. Y c. The propeller is more susceptible to ice damage when turning slowly than when stopped. N d. It is advisable to clear the rudder area of ice by using ahead turns before backing down. 2956: You are proceeding under NCS (Naval Control of Shipping) and wish to send a message concerning an initial enemy contact. Which precedence would you assign this message?
Y a. Z (FLASH) N b. P (PRIORITY) N c. R (ROUTINE) N d. O (IMMEDIATE) 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 3056: Advection fog holds longest over which portions of the lakes?
Y a. Northwest N b. Southeast N c. Northeast N d. Southwest 3162: When maneuvering from pull towing to breasted (alongside) towing, a twin-screw vessel is more likely than a single-screw vessel of equal horsepower to __________.
N a. trip or capsize Y b. foul the towline N c. go into irons N d. part the towing strap 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 3338: What is used to prevent wear on towlines that bear on hard surfaces?
Y a. Chafing gear N b. Chocks N c. Grease N d. Boots 3541: 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. N b. Pyridine and diisopropylamine may be carried in tanks having a common header vent. N c. Carbon disulfide must be separated from pyridine by two barriers (cofferdams, voids, empty tanks, etc.). Y d. A tank of pyridine may be used to separate a tank of carbon disulfide from a tank of diisopropylamine. 3632: You are lifting a one-ton weight with a swinging boom. When comparing the stresses on the rig with the boom at 20° to the horizontal to the stresses when the boom is at 60° to the horizontal, which statement is TRUE?
Y a. The thrust on the boom is greater at 60°. N b. The stress on the topping lift is greater at 60°. N c. The stress on the heel block is less at 20°. N d. The stress on the head block is less at 60°. 3840: You are lifting a one-ton weight with a swinging boom. When comparing the stresses on the rig with the boom at 20° to the horizontal to the stresses when the boom is at 60° to the horizontal, which statement is true?
N a. The thrust on the boom is greater at 20°. N b. The stress on the topping lift is greater at 60°. Y c. The stress on the heel block is less at 60°. N d. The change in angle of elevation has no effect on the stresses in the head block. 4154: What should you be concerned with when loading and securing vehicles aboard a Ro-Ro vessel?
N a. That all fuel is drained from the vehicles' tanks to prevent fire hazard Y b. The size, weight, and center of gravity of vehicle/cargo unit N c. The preferred stowage of vehicles is athwartships wherever possible N d. The vehicles' brakes should not be set to allow for adjusting the lashings