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.
44: The spread of fire is prevented by __________.
N a. heating surfaces adjacent to the fire Y b. removing combustibles from the endangered area N c. increasing the oxygen supply N d. All of the above 107: What best describes for how long a gas-free test is good?
N a. For as long as is indicated on the gas-free certificate Y b. For the instant that it is made N c. Until valves in line with the tank or compartment are reopened N d. Until changes in temperature or pressure affect the vapor content in the space 244: A vessel is flying the signal "BJ-1" from her starboard halyard. The signal means "_____."
N a. an aircraft is ditched in position indicated N b. the aircraft is still afloat N c. there is no danger of explosion Y d. an aircraft is circling over an accident 360: The greatest effect on stability occurs from loose liquids flowing __________.
N a. from side to side in the tanks of the vessel N b. from fore to aft in the tanks of a vessel Y c. in and out of a vessel that is holed in a wing tank N d. in and out of a vessel that is holed in a peak tank 569: A shaft alley divides a vessel's cargo hold into two tanks, each 25 ft. wide by 50 ft. long. Each tank is filled with salt water below the level of the shaft alley. The vessel's displacement is 6,000 tons. What is the reduction in GM due to free surface effect?
N a. .56 foot N b. .58 foot Y c. .62 foot N d. .66 foot 575: Pollution regulations require that each scupper in an enclosed deck area have a __________.
N a. wooden plug N b. soft rubber plug N c. two-piece soft patch Y d. mechanical means of closing 813: You hear the general alarm and ship's whistle sound for over 10 seconds. Traditionally, this is the signal for __________.
N a. abandon ship N b. dismissal from fire and emergency stations Y c. fire and emergency N d. man overboard 1040: General requirements for a vessel's radiotelephone station log are that __________.
N a. logs must be kept in an orderly manner N b. erasures are not allowed N c. it must identify the vessel's name and official number Y d. All of the above 1070: On small passenger vessels, fuel lines may be made of __________.
N a. plastic, rubber, or seamless steel tubing N b. stainless steel, iron, or brass N c. copper, plastic, stainless steel, or galvanized iron Y d. annealed tubing of copper, nickel-copper, or copper nickel 1098: Which statement is TRUE concerning the "flash point" of a substance?
Y a. It is lower than the ignition temperature. N b. It is the temperature at which a substance will spontaneously ignite. N c. It is the temperature at which a substance, when ignited, will continue to burn. N d. It is the temperature at which the released vapors will fall within the explosive range. 1120: You will find a limit switch on a __________.
N a. liferaft cradle N b. radial davit N c. sheath-screw davit Y d. gravity davit 1291: The SS AMERICAN MARINER has the following drafts: FWD 09'-00", AFT 15'-11.5". Upon completion of loading and bunkering the items listed will be on board. Use the white pages of The Stability Data Reference Book to determine the minimum GM required to meet a one compartment standard. ST-0033
Y a. 1.82 feet N b. 1.96 feet N c. 2.05 feet N d. 2.17 feet 1331: A Certificate of Financial Responsibility attests that the vessel __________.
Y a. has financial backing to meet any liability resulting from the discharge of oil N b. has the minimum required amount of P & I and hull insurance N c. will assume the responsibility for any damage or loss to the shipper N d. has financial reserves to meet reasonable expected crew costs of an intended voyage 1461: You are in a lifeboat when you sight the stars shown. You will be heading due north when you head for Polaris which is indicated by what letter? (D005SA )
Y a. E N b. F N c. H N d. I 1567: Your vessel is carrying 84,000 barrels of oil for discharge. The cargo hoses have an inside diameter of 14 inches. When four hoses are connected to the manifold, the container around the manifold must hold a total of how many barrels?
N a. Three Y b. Four N c. Twelve N d. Sixteen 1836: A ketch-rigged sailing vessel is sailing to windward with the wind about 50° on the port bow. All the sails are set and drawing properly. Which statement is TRUE?
N a. If you slack the mizzen sheet, the center of effort will move aft. N b. If you slack the main sheet, the lift to drag ratio of the mainsail will increase. N c. If you sheet in the mainsail without changing course, the vessel will heel farther and speed up. Y d. If you strike the mainsail, the center of effort of the whole rig will move down. 1920: Which statement is TRUE concerning life preservers?
N a. Buoyant vests may be substituted for life preservers. Y b. Kapok life preservers must have vinyl-covered pad inserts. N c. Life preservers must always be worn with the same side facing outwards. N d. Life preservers are not designed to turn a person's face clear of the water when unconscious. 1939: You have 520 tons of below deck tonnage. There is no liquid mud. If you have 160 tons of cargo above deck with a VCG above the deck of 3.2, what is the maximum allowed VCG of the remainder of the deck cargo that is permitted? (D036DG )
N a. 1.43 feet Y b. 2.79 feet N c. 3.10 feet N d. 3.64 feet 1980: What product is considered a noxious liquid substance for regulatory purposes?
N a. Dodecyl methacrylate N b. Asphalt N c. Camphor oil Y d. Latex 2229: To get the best speed when tacking and using a mainsail and jib, the sails should be trimmed such that __________.
N a. the jib is on one side of the vessel and the mainsail on the other Y b. an air slot is formed between the two sails N c. one sail is as close to a right angle as possible to the other N d. as much of a gap as possible exists between the two sails in order to catch the most wind 2250: Which cargo is considered volatile?
N a. Bunker C N b. Turkey-red oil N c. Sweet oil Y d. iso-Propylamine 2250: Which cargo is considered volatile?
N a. Bunker C N b. Turkey-red oil N c. Sweet oil Y d. iso-Propylamine 2250: Which cargo is considered volatile?
N a. Bunker C N b. Turkey-red oil N c. Sweet oil Y d. iso-Propylamine 2332: The amount of LFG that may be loaded into a given tank is determined by __________.
N a. checking the loading sheet N b. loading to within 1 percent of outage N c. loading to within 10 percent of the safety relief valve setting Y d. filling to the maximum level indicated on the liquid level gauging device 2348: Regulations require that venting for cargo tanks in which only grades D or E liquids are to be transported shall, as a MINIMUM, be of which type? (tank barge constructed on or after July 1, 1951)
N a. Straight vents open to atmosphere N b. Individual pressure vacuum relief valves N c. Branch vent lines connected to a vent header system Y d. Gooseneck vents and flame screens 2366: What type of vent is required on a barge transporting No. 6 fuel oil?
Y a. Gooseneck vents fitted with flame screens N b. Pressure-vacuum N c. Branch vent line N d. Vent header 2428: What is the flash point of iso - Hexane?
Y a. -10°Fahrenheit N b. 20°Centigrade N c. 68°Fahrenheit N d. 152°Centigrade 2505: The helicopter deck of a MODU must be marked with the units identification, appropriate aiming circles, and a continuous line on the perimeter which is __________.
N a. 8 inches wide Y b. 16 inches wide N c. 24 inches wide N d. 32 inches wide 2526: The SS AMERICAN MARINER is ready to sail with the load shown. Use the white pages of The Stability Data Reference Book to determine the available GM. ST-0069
N a. Available GM 4.2 ft Y b. Available GM 3.9 ft N c. Available GM 3.7 ft N d. Available GM 3.5 ft 2599: Oil fires are best extinguished by __________.
Y a. cutting off the supply of oxygen N b. removing the fuel N c. cooling below the ignition temperature N d. spraying with water 2623: Between the side frames on a MODU, support for the deck beams is provided by __________.
Y a. stanchions N b. brackets N c. web frames N d. deck stringers 2631: In MODU construction, beam brackets are triangular plates that join the deck beam to a __________.
N a. bulkhead Y b. frame N c. stanchion N d. deck longitudinal 2940: You have loaded a deck cargo, and the vessel has assumed a 5° list due to negative GM. Your salt water drafts are: FWD 16'-05", AFT 16'-07". If you then load 1200 tons of cargo in the lower holds (VCG 11 feet) and take on 520 tons of bunkers (VCG 2.5 feet), what is the final GM? (Use the material in Section 1, the blue pages, of the Stability Data Reference Book)
N a. 2.5 feet Y b. 2.0 feet N c. 1.4 feet N d. 0.6 foot 3067: The canopy of your liferaft should __________.
Y a. go into place as your liferaft is inflated N b. be put up after everyone is aboard N c. be put up only in severe weather N d. be used as a sail if the wind is blowing 3161: The wooden plug fitted tightly in the vent of a damaged tank may prevent the tank from __________.
Y a. filling completely N b. developing free surfaces N c. developing free surface moments N d. collapsing 3242: A vessel carrying passengers for hire shall have on board an approved life jacket __________. (small passenger vessel regulations)
N a. for every passenger on board Y b. for every person on board, plus 10% childrens' life jackets N c. for every person on board, plus 10% additional on upper deck in box N d. or buoyant cushion for every person on board plus 10% for children 3285: The SS AMERICAN MARINER has the liquid loading shown. Use the white pages of The Stability Data Reference Book to determine the LCG-FP of the liquid load. ST-0118
N a. 271.2 ft N b. 288.8 ft N c. 292.3 ft Y d. 307.2 ft 3473: In each inflatable rescue boat, what piece of equipment is provided to make quick, emergency, temporary repairs to a large hole in a raft?
N a. No equipment is provided. N b. Glue and rubber patches Y c. Several various-sized sealing clamps N d. Self-adhesive rubberized canvas patches 3555: What are the maximum vertical moments, including free surface moments, permitted on the DEEP DRILLER at survival draft if the winds are greater than 70 knots?
N a. 912,120 foot-tons N b. 942,120 foot-tons Y c. 996,522 foot-tons N d. 998,927 foot-tons 3914: If you must jump from a vessel, the correct posture includes __________.
Y a. holding down the life preserver against the chest with one arm crossing the other, covering the mouth and nose with a hand, and feet together N b. knees bent and held close to the body with both arms around legs N c. body straight and arms held tightly at the sides for feet first entry into the water N d. both hands holding the life preserver below the chin with knees bent and legs crossed 4160: Your vessel's drafts are: FWD 18'-09", AFT 20'-05"; and the KG is 23.8 feet. Use the selected stability curves in the blue pages of the Stability Data Reference Book to determine the righting arm at 30° inclination.
N a. 0.9 feet Y b. 2.1 feet N c. 4.0 feet N d. 5.9 feet 4495: The COASTAL DRILLER is in transit at a draft of 10.5 feet. It discharges 216.43 kips of weight. What is the new draft?
N a. 10.7 feet N b. 10.3 feet N c. 10 feet 8 inches Y d. 10 feet 4 inches 4713: When the COASTAL DRILLER is loaded as shown in the sample load form #3 (drilling), the hook load is placed in the pipe racks. What would be the new variable load?
N a. 2,381.0 kips N b. 3,381.0 kips Y c. 3,658.8 kips N d. 4,381.0 kips 5485: The maximum angular tolerance for a bent link of an anchor chain is __________.
N a. 1 degree Y b. 3 degrees N c. 5 degrees N d. 7 degrees 5543: What happens ns to the efficiency of an anchor when it is moved from sand to mud?
N a. The efficiency increases. Y b. The efficiency decreases. N c. The efficiency remains the same. N d. The efficiency cannot be determined. 6191: Fighting a rig fire in a watertight compartment with hoses could reduce the stability of the rig by __________.
N a. progressive downflooding N b. reducing the level of drill water from the storage tanks Y c. causing a list due to the water in the compartment N d. reducing the KG to minimum allowable 6276: Your drafts are: FWD 17'-09", AFT 18'-03". Use the blue pages of the Stability Data Reference Book to determine the location of the center of flotation relative to amidships.
N a. 5.6 feet forward Y b. 5.1 feet forward N c. at the center of flotation N d. 0.8 foot aft 6507: Especially in adverse weather, risk of collision with an offshore supply vessel increases when the vessel is moored to what side of the unit?
Y a. Upwind N b. Downwind N c. Crosswind N d. Downcurrent 6681: On a MODU, a door that is required to be marked "KEEP CLOSED" is designed to __________.
N a. prevent the passage of flammable gases N b. prevent the passage of poisonous vapors N c. delay the spread of heat and flames Y d. maintain watertight integrity 7377: A semisubmersible rig under tow should be ballasted down if __________.
Y a. motion begins to be excessive N b. water begins to break over the pontoons N c. period of roll exceeds 12 seconds N d. forward progress is halted by head wind 7683: Increasing free surfaces has the effect of raising the __________.
N a. uncorrected KG Y b. virtual height of the center of gravity N c. metacenter N d. metacentric height 8184: What is an advantage of diesel over steam turbine propulsion?
Y a. Less fuel consumption per SHP N b. Diesel fuel costs less than bunker C or its equivalent N c. Less routine maintenance required N d. Less weight per SHP 8235: What is the proper direction of flow through a globe valve when the valve is installed to be in a normally open position?
N a. Direction is unimportant N b. Depends on seat configuration Y c. From below the seat N d. From above the seat 8332: What type of stern tube bearing has the least friction?
Y a. Oil-lubricated bearings N b. Lignum vitae N c. Hard rubber N d. Bronze bushings 8627: What is the shift in the longitudinal center of gravity if 200 short tons are discharged from 30 feet forward of amidships on a MODU with LCG 1.5 feet forward of amidships, and displacement 9,000 short tons?
N a. 0.62 foot aft Y b. 0.65 foot aft N c. 0.68 foot aft N d. 0.71 foot aft 8987: The tendency of a vessel to return to its original trim after being inclined by an external force is __________.
N a. equilibrium N b. buoyancy N c. transverse stability Y d. longitudinal stability 9276: You are underway when a fire breaks out in the forward part of your vessel. If possible, you should __________.
N a. call for assistance Y b. put the vessel's stern into the wind N c. abandon ship to windward N d. keep going at half speed 9295: A jack-up 210 feet in length is level during transit. The LCF is 140 feet aft of the bow. How much weight should be applied at the bow to level the jack-up if 150 kips are loaded at the transom?
N a. 50 kips Y b. 75 kips N c. 100 kips N d. 200 kips 9528: You are in Inland Waters of the United States. You may discharge overboard __________.
N a. bottles N b. metal N c. dunnage Y d. None of the above 9681: What is the minimum period of time that the air supply for a self-contained breathing apparatus is required to last?
N a. 10 minutes N b. 15 minutes Y c. 30 minutes N d. 45 minutes