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.
112: You start a centrifugal cargo pump to discharge cargo. The pump works for a while and then loses suction. This could NOT be caused by __________.
N a. leaking shaft seals N b. air pockets in the liquid Y c. high cargo level in the tanks N d. a leaking suction line 148: Overcarriage is best prevented by __________.
N a. assuring heavy cargo is stowed low in the vessel N b. checking the vessel's load line calculations carefully Y c. inspection of the hold at completion of discharge N d. stowing the cargo which is to be discharged last on the bottom 262: Mousing a cargo hook with marline or small line __________.
N a. increases the lifting capacity of the hook N b. protects the hook from the sling ring Y c. prevents the sling ring from coming out of the hook N d. All of the above 428: Your vessel is going from a warm climate to a cold climate with a hygroscopic cargo. Which statement is TRUE?
Y a. You must ventilate constantly and vigorously to combat ship sweat. N b. You should ventilate; there is little danger of ship sweat, but a possibility of cargo sweat. N c. There is danger of heavy cargo sweat if you ventilate. N d. There is little danger of any sweat problem. 444: A metal object on the pier resembling a tree stump and made to receive mooring lines is a __________.
N a. bight Y b. bollard N c. chock N d. camel 567: Your enrolled vessel is bound from Baltimore, MD, to Norfolk, VA, via Chesapeake Bay. Which statement about the required Pilot is TRUE?
N a. The Pilot must be licensed by Virginia and Maryland. N b. The Pilot must be licensed by either Virginia or Maryland. Y c. The Pilot need only be licensed by the Coast Guard. N d. The Pilot must be licensed by Virginia, Maryland and the Coast Guard. 599: When stripping a tank, excessive air in the suction line may cause __________.
N a. an over pressurized line N b. back pressure Y c. loss of suction N d. increase of suction 686: The effect known as "bank cushion" acts in which of the following ways on a single-screw vessel proceeding along a narrow channel?
Y a. It forces the bow away from the bank. N b. It forces the stern away from the bank. N c. It forces the entire vessel away from the bank. N d. It heels the vessel toward the bank. 690: A rescue helicopter's hoist area should have a radius of at least __________.
N a. 6 feet of clear deck N b. 10 feet of clear deck N c. 25 feet of clear deck Y d. 50 feet of clear deck 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 695: A tug is "in irons" when held in a fixed position by __________.
N a. the weight of its tow, its being anchored, or grounded Y b. the weight of its towing hawser on the bottom N c. an adverse current N d. lack of power or an engine breakdown 809: Which pump must always be primed?
Y a. Centrifugal pump N b. Reciprocating pump N c. Rotary pump N d. All of the above 822: You are on watch at sea at night and a fire breaks out in #3 hold. What should be done IMMEDIATELY?
Y a. Shut down the cargo hold ventilation. N b. Proceed to the space and determine the extent of the fire. N c. Flood the space with C02 from the fixed fire fighting system. N d. Cool the deck to contain the fire. 857: On vessels over 100 gross tons, whose responsibility is it to ensure that all able seamen in the vessel's crew have the documents and qualifications required by law and regulation?
Y a. Master of the vessel N b. USCG Officer in Charge of Marine Inspection N c. Owner or operator of the vessel N d. Company's personnel director 892: On a shallow water tow, the catenary of the towline should be __________.
N a. large Y b. small N c. eliminated N d. adjusted frequently 920: A vessel's light displacement is 12,000 tons. Its heavy displacement is 28,000 tons. When fully loaded it carries 200 tons of fuel and 100 tons of water and stores. What is the cargo carrying capacity in tons?
N a. 11,700 tons Y b. 15,700 tons N c. 16,000 tons N d. 27,700 tons 932: When bunkering at a dock which of the following signals must be displayed?
N a. A yellow flag by day, red light by night Y b. A red flag by day, red light by night N c. A green flag by day, green light by night N d. A red flag by day, a blue light by night 1060: You receive a package, for shipment aboard your vessel, containing Class 1 explosives. The package is damp, moldy and stained. You must __________.
Y a. refuse to accept the package N b. note the exception(s) on the Bill of Lading N c. replace the packaging material before stowage N d. seek the approval of the USCG Captain of the Port 1079: The system of valves and cargo lines in the bottom piping network of a tanker that connects one section of cargo tanks to another section is called a __________.
N a. come-along Y b. crossover N c. manifold N d. runaround 1088: As Master or person in charge, you must notify the U.S. Coast Guard if an injury leaves a crewman unfit to perform routine duties for more than __________.
N a. 24 hours N b. 48 hours N c. 72 hours Y d. Any amount of time 1158: A vessel loads 100 tons of glass jars. The mate on watch discovers that some of the cartons have been damaged and has an exception made on the Bill of Lading. What is this document called?
N a. Damage Bill of Lading N b. Letter of Indemnity N c. Non-negotiable Bill of Lading Y d. Unclean Bill of Lading 1183: Which towing equipment can be used to prevent the tripping of a tug?
N a. Bridles N b. Chafing boards Y c. Gob ropes N d. Drogues 1184: A new coil of nylon line should be opened by __________.
N a. pulling the end up through the eye of the coil N b. uncoiling from the outside with the coil standing on end N c. taking a strain on both ends Y d. unreeling from a spool 1185: As shown, the mooring line labeled "C" is called a __________. (DO44DG )
N a. stern line N b. spring line Y c. breast line N d. shore line 1224: Which is NOT a recommended practice when handling nylon line?
N a. Nylon lines which become slippery because of oil or grease should be scrubbed down. Y b. Manila line stoppers should be used for holding nylon hawsers. N c. When easing out nylon line, keep an extra turn on the bitt to prevent slipping. N d. Iced-over nylon lines should be thawed and drained before stowing. 1225: Ice concentration is measured in OKTAs. What percentage of the sea surface is ice-covered with 2 OKTAs concentration?
N a. 10% N b. 20% Y c. 25% N d. 67% 1334: Close link chain of not less the 3/4" (or the wire rope equivalent) is required for lashing deck cargoes of timber. What size flexible wire rope would provide the strength equivalent to 3/4" chain, using a safety factor of 5?
N a. 9/16" Y b. 1" N c. 1 1/4" N d. 1 3/8" 1370: The strength of a deck will be increased by adding __________.
N a. camber Y b. deck beam brackets N c. hatch beams N d. sheer 1500: Sometimes it is desirable to connect a member both by riveting and welding. Which statement is TRUE concerning this procedure?
N a. Tearing through the member is more likely in this type connection. N b. The weld may be broken by the stresses caused by riveting. N c. The weld increases the tensile stress on the rivet heads. Y d. The welding must be completed before the riveting commences. 1616: In moderate wind and current what should be the length of chain with a single anchor?
Y a. 5 times the depth of the water in good holding ground N b. 10 times the depth of the water in shallow water N c. 2 times the depth of the water in poor holding ground N d. 8 times the depth of the water in deep water 1689: The mooring line shown as "C" is called a __________. (DO44DG )
N a. stern line N b. spring line N c. shore line Y d. breast line 1739: If two falls are attached to lift a one-ton load, what angle between the falls will result in the stress on each fall being equal to the load being lifted?
N a. 60° N b. 75° Y c. 120° N d. 150° 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" 1784: The "rolling hitch" could be used to __________.
N a. join two lines of different sizes N b. join two lines of equal sizes N c. add strength to a weak spot in a line Y d. act as a stopper to transfer a line under strain 1981: The boom stops on a pedestal crane prevent the boom from __________.
Y a. being raised too high N b. swinging at sea N c. overloading when not in use N d. being lowered too low 1984: Your load line certificate expires on 27 May 1988. The vessel is surveyed on that date and is found satisfactory. You are sailing foreign the same day. Which statement is TRUE?
N a. A new certificate must be issued before you sail. N b. The existing certificate is endorsed as valid for a five year period commencing 27 May 1988. Y c. The existing certificate is extended for a period of up to 150 days. N d. The existing certificate is extended until the first foreign port of call where a new certificate will be issued by the local surveyor. 2123: Your vessel is required to have a slop chest. Which of the following articles is NOT required by law to be carried in the slop chest?
N a. Foul weather clothing Y b. Candy N c. Tobacco products N d. Blankets 2132: Which statement concerning dual-tonnage vessels is TRUE?
N a. The dual-tonnage mark is always marked above the load line marks. N b. The tonnages referred to are the displacement tonnage and gross tonnage. Y c. A single-deck vessel may not be assigned dual tonnages. N d. The dual-tonnage mark must never be submerged beyond the freshwater allowance. 2189: You are conducting trials to determine the maneuvering characteristics of your vessel. While making a turn you take the ranges and bearings of an isolated light with the results shown. Based on this information, what is the transfer for a turn of 75°? (D034DG )
N a. 340 yards (306 meters) Y b. 280 yards (252 meters) N c. 230 yards (207 meters) N d. 190 yards (171 meters) 2237: Using the graph in illustration D008DG, if the dry bulb temperature is 76° and the wet bulb temperature is 59°, what is the relative humidity in a cargo hold? (D008DG )
Y a. 34% N b. 47% N c. 76% N d. 79% 2310: How do you determine the weight of the vessel that is supported by the ground when a vessel has run aground?
N a. This requires extensive calculation and is usually performed only by a naval architect not by a ship's officer. N b. Determine the point where aground and the draft at that point, then calculate it using the grounding formula. Y c. Use the hydrostatic tables and enter with the mean draft before grounding and the mean draft after grounding. N d. Use the inclining experiment formula and substitute the change of trim for the angle of list. 2321: Your vessel has run aground and is touching bottom for the first one-quarter of its length. What is the LEAST desirable method from the standpoint of stability to decrease the bottom pressure?
N a. Discharge forward deck cargo. Y b. Pump out the forepeak tank. N c. Shift deck cargo aft. N d. Flood an after double-bottom tank. 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 2813: Which Naval Control of Shipping publication should be aboard your vessel?
Y a. ATP-2, Volume II "Allied Control of Shipping Manual - Guide to Masters" N b. ATP-1, Volume II "Allied Tactical Signals" N c. NWP-14, "Amphibious Operations" N d. PUB 102, "International Code of Signals" 2855: A 150-meter vessel is proceeding down the course of a narrow channel in the Great Lakes System. A 60-meter vessel is starting to cross the channel. Which statement is TRUE?
Y a. If the smaller vessel is engaged in fishing, he shall not impede the passage of the other vessel. N b. The crossing vessel has the right of way. N c. The vessel in the channel must slow to her steerageway. N d. The larger vessel is considered to be a vessel restricted in her ability to maneuver. 2861: A vessel is entering port and has a Pilot conning the vessel. The Master is unsure that the Pilot is taking sufficient action to prevent a collision. What should the Master do?
N a. Direct the Pilot to stop the vessel and anchor if necessary until the situation clears. Y b. Recommend an alternative action and if not followed relieve the pilot. N c. State his concerns to the Pilot but do not interfere with the handling of the vessel. N d. Nothing; the Pilot is required by law and is solely responsible for the safety of the vessel. 2914: Your vessel has been ordered to proceed to the United Grain Growers Wharf at Thunder Bay, Lake Superior, for the purpose of taking on a load of wheat. Which publication(s) would you consult for such information as the length of the wharf, the depth of the water alongside, and the loading capacity at the facility?
N a. The Navigational Chart and Light List Vol. VII N b. The International Guide to Canadian Ports and Facilities N c. The Lake Carriers Association Facilities Directory Y d. The United States Coast Pilot #6 2929: A vessel is loaded to her summer marks for a voyage from Montreal, Canada to Duluth, MN via the Great Lakes System. The voyage has been estimated to take nine (9) days. If the vessel departs Montreal on September 28th, which of the following statements is TRUE?
N a. The vessel must be at her summer marks when she arrives at Duluth. N b. The vessel is in violation of the load line requirements. Y c. The vessel's intermediate load line marks may not be submerged after September 30. N d. The vessel must be at her winter marks by the evening of the third day. 2968: On the Great Lakes, winter storms compound the ice threat by bringing a variety of wind, wave, and weather problems on an average of every __________.
N a. two days N b. three days Y c. four days N d. five days 3031: Before a Master relieves a Pilot of the conn, the __________.
N a. vessel must be in extremis N b. Master must request the Pilot to take corrective action N c. Master should release the Pilot from all liability Y d. Master should foresee any danger to the vessel on the present course 3103: A case received for shipment has the markings shown. Each carton measures 13" X 15" X 23". What is the total cubic capacity the entire consignment will occupy? (Ignore broken stowage.) (D043DG )
Y a. 779 cubic feet (22 cubic meters) N b. 992 cubic feet (28 cubic meters) N c. 1,047 cubic feet (30 cubic meters) N d. 112,125 cubic feet (3173 cubic meters) 3291: The riding pawl is __________.
N a. a safety interlock in a cargo winch that prevents the runner from overspeeding Y b. a stopper that prevents the anchor cable from running free if the cable jumps the wildcat N c. the device that locks the deck lashings of the Peck and Hale system N d. the lug that rides on the eccentric rib and engages the locking ring on the windlass 3372: The lead of a tow bridle is usually redirected with a __________.
N a. bollard Y b. chock N c. pad eye N d. devil's claw 3494: Nylon rope is often used in the makeup of a towline because it __________.
N a. floats Y b. stretches N c. handles easily N d. resists rot 3680: What is the penalty for willfully damaging cargo?
Y a. Forfeiture of wages equal to the value of the damage and, if ordered by the court, imprisonment for not more than 12 months N b. Fine equal to the value of the damage plus a 1000 dollar penalty and/or imprisonment not to exceed 2 years N c. Fine not to exceed the value of the damage and/or imprisonment not to exceed 18 months N d. Revocation of Merchant Mariner's Document (and license if applicable), fine equal to the value of the damage or imprisonment for not more than 2 years 4059: A 750 foot passenger vessel operating on the Great Lakes, not subject to SOLAS regulations, is required to carry how many ring life buoys?
Y a. 24 N b. 18 N c. 12 N d. 6 4136: A disadvantage of using chain lashing on heavy vehicles aboard Ro-Ro vessels is that it __________.
N a. can wrap around cargo N b. is easily damaged N c. is affected by temperature Y d. does not absorb shock 4148: Which tensioning device is used with chain to secure heavy vehicles aboard Ro-Ro vessels?
N a. Ratchet tensioner N b. Buckle tensioner N c. Adjust-a-matic tensioner Y d. Turnbuckle 4271: Which immediate action should the operator of a pedestal crane take if crane control is lost?
N a. Sound the general alarm. Y b. Return the control levers to the neutral positions. N c. Notify port security. N d. Hold the control levers all the way down. 4274: During which condition should the operator of a pedestal crane shutdown operations?
N a. Bunkering barge alongside N b. Potable water spill on deck Y c. Crane hydraulic hose bursts N d. Trim greater than 4 feet