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.
27: The atmosphere in a tank is too lean if it is __________.
Y a. incapable of supporting combustion because the hydrocarbon content is below the LFL (Lower Flammable Limit) N b. capable of supporting combustion because the hydrocarbon content is above the UFL (Upper Flammable Limit) N c. capable of supporting a fire once started N d. not safe for ballasting 136: Which item is NOT required to be marked with the vessel's name?
Y a. Hand-portable fire extinguisher N b. Life preserver N c. Immersion suit N d. Lifeboat oar 274: The flag hoist 62.2 would be sent as pennant 6, pennant 2, __________.
N a. answering pennant, first substitute Y b. answering pennant, second substitute N c. space, second substitute N d. answering pennant, third substitute 328: A man has suffered a burn on the arm. There is extensive damage to the skin with charring present. How is this injury classified using standard medical terminology?
N a. Dermal burn Y b. Third-degree burn N c. Major burn N d. Lethal burn 382: A damaged "T-Boat" that is unable to meet the requirements of its Certificate of Inspection but is able to travel to a shipyard under its own power should __________.
Y a. make the trip only after obtaining a "Permit to Proceed to Another Port for Repair", Form CG-948 N b. get underway as soon as possible N c. hire a tug and pilot instead N d. request an Expiration Certificate if the vessel displays a tendency to sink 400: Whenever a "T-Boat" is hauled out for repairs or alterations affecting its safety you must __________.
N a. provide a complete set of plans to the Commandant for review Y b. notify the cognizant OCMI N c. schedule a full safety equipment inspection N d. Both B and C 610: The amount of freeboard which a ship possesses has a tremendous effect on its __________.
N a. initial stability N b. free surface N c. permeability Y d. stability at large angles of inclination 769: A life float on a fishing vessel must be equipped with __________.
Y a. a painter N b. red smoke flares N c. a jackknife N d. a signal mirror 882: Fire in an engine compartment is best extinguished with carbon dioxide gas (CO2) and by __________.
N a. closing the compartment except for the ventilators Y b. completely closing the compartment N c. leaving the compartment open to the air N d. increasing the air flow to the compartment by blowers 1026: A liferaft with a capacity of 8 people used in ocean service is required by regulations to carry __________.
N a. 8 liters of fresh water N b. 12 units of provisions Y c. 12 liters of fresh water N d. 24 units of provisions 1050: A gasoline fuel tank vent on a small passenger vessel should terminate __________.
N a. As close to the deck plates as possible N b. Below the waterline to eliminate the accumulation of explosive vapors N c. Midway between the fuel tank and the engine Y d. On the hull exterior as high above the waterline as practicable and remote from any hull opening 1058: Which statement describes the relationship between flash point and auto-ignition temperature?
N a. Both are higher than normal burning temperatures. N b. The flash point is always higher. Y c. The ignition temperature is always higher. N d. They are not necessarily related. 1201: While taking on fuel oil, the transfer hose leaks causing a sheen on the water. You should __________.
N a. apply dispersants to the sheen N b. repair the leak with duct tape N c. reduce the rate of transfer Y d. shut down operations 1229: Which T-Boat must be fitted with a suitable compass?
N a. A vessel in river service N b. A vessel operating on a short, restricted route on lakes, bays, and sounds Y c. A vessel engaged in ocean or coastwise service N d. The regulations do not require a compass on any vessel 1253: If there are no alternatives for escape, what is the maximum height that the survival craft could be dropped into the water?
N a. 2 ft. N b. 6 ft. Y c. 10 ft. N d. 14 ft. 1276: The lights on the outside of the canopy on an inflatable liferaft operate __________.
N a. by turning the globe clockwise N b. by a switch at each light N c. by a light sensor Y d. automatically when the raft is inflated 1379: Which statement about inert gas pressures in a cargo tank is TRUE?
N a. The pressures of the inert gas in the tank may create excessive pressure at the pump while discharging. Y b. Gas pressures should be maintained at the highest permissible level throughout the discharging process. N c. High gas pressures may cause pyrophoric oxidation in the tank. N d. High gas pressures may cause loss of suction when stripping. 1592: A vessel has a cargo hold divided by a shaft alley into two tanks, each 35 feet long and 20 feet wide. Each tank is half filled with sea water. The vessel displaces 5,000 tons. The reduction in GM due to free surface effect is __________.
Y a. .27 foot N b. .30 foot N c. .31 foot N d. .33 foot 1654: You are operating a ship greater than 400 gross tons. You are NOT permitted to carry oil or hazardous materials in a(n) __________.
Y a. forepeak tank N b. after peak tank N c. deep tank N d. on-deck portable tank 1703: With regard to aerodynamic lift, which statement is TRUE?
Y a. If the thrust on a sail becomes excessive when close-hauled, it is likely to capsize the vessel rather than drive it. N b. When a sail is trimmed too tight, turbulence will break out on the windward side of the sail and cause a telltale there to flutter. N c. A properly trimmed sail should have laminar flow on the windward side and turbulent flow on the leeward side. N d. Adjusting the angle of attack on a mainsail is accomplished by adjusting the outhaul or the vang, if fitted. 1854: How is the Master or operator of a vessel required to keep the crew informed of the regulations concerning the discharging of garbage overboard?
N a. Give each crewmember a copy of ANNEX V of MARPOL. N b. Call an all hands meeting before sailing. Y c. Keep placards prominently posted. N d. Have each person read and sign a copy of the regulations. 1869: The three corners of the main sail are called __________. (D002SL )
N a. head, fore, and aft N b. luff, leech, and spar N c. headboard, foot, and tail Y d. head, tack, and clew 2368: The SS AMERICAN MARINER will sail with the load shown. Use the white pages of The Stability Data Reference Book to determine the drafts. ST-0061
N a. FWD 22'-02", AFT 25'-08" N b. FWD 21'-07", AFT 26'-03" Y c. FWD 20'-11", AFT 26'-09" N d. FWD 20'-09", AFT 26'-11" 2640: What is NOT a grade E product?
N a. Dioctyl-phthalate Y b. Gasoline N c. Formic acid N d. Creosote coal tar 2682: The purpose of fuses in electric wiring is to __________.
N a. allow for cutting out branch circuits Y b. prevent overloading the circuits N c. reduce voltage to the branch circuits N d. permit the use of smaller wiring for lighting circuits 2692: Your vessel's drafts are: FWD 22'-04", AFT 22'-10"; and the KG is 22.6 feet. Use the selected stability curves in the blue pages of the Stability Data Reference Book to determine the righting arm at 45° inclination.
N a. 1.8 feet N b. 2.6 feet N c. 2.9 feet Y d. 3.6 feet 2875: The symbol 5 as shown represents __________. (D041DG )
N a. displacement N b. leverage center Y c. centerline N d. counterflood limits 2935: Which statement is TRUE concerning life jackets which are severely damaged?
Y a. They should be replaced. N b. They must be tested for buoyancy before being continued in use. N c. They can be repaired by a reliable seamstress. N d. They can be used for children. 3000: A rigid lifesaving device ONLY designed for survivors to hold on to while in the water is known as a __________.
N a. liferaft N b. life float N c. life preserver Y d. buoyant apparatus 3157: The DEEP DRILLER, while loaded as shown in the Sample Load Form #4 (Drilling), suffers damage to the starboard center column below the waterline. Among the tanks from which you should pump is tank __________.
N a. C1S Y b. 9S N c. 9P N d. 2P 3198: Starting motors, generators, and other spark producing devices should be mounted as high above the bilges as possible to __________.
N a. keep them dry when the bilges are full of water N b. keep them cool when the vessel is underway N c. make them more accessible for repairs Y d. prevent accidental ignition of any gasoline vapors that may have accumulated in the bilges 3201: The stamped full weight of a 100-lb. CO2 bottle is 314 lbs. What is the minimum weight of the bottle before it has to be recharged?
N a. 282 lbs. N b. 294 lbs. N c. 300 lbs. Y d. 304 lbs. 3314: Which device is required to be installed under the carburetor of a gasoline engine? (small passenger vessel regulations)
N a. Box of sawdust Y b. Drip collector N c. Vent N d. Flame arrestor ONLY 3347: The DEEP DRILLER is level at a draft of 60 feet in calm water. What is the value of the righting moment?
N a. 18,118 foot-tons N b. 9,059 foot-tons N c. 4,529 foot-tons Y d. 0 foot-tons 3348: Generally speaking, the fuel injected into a marine diesel engine combustion chamber is ignited by __________.
N a. spark plugs N b. glow plugs Y c. heat of compression N d. a magneto 3515: The lightweight longitudinal free surface moments for the DEEP DRILLER are __________.
N a. 680,914 ft-long tons Y b. 000 ft-long tons N c. -5,937 ft-long tons N d. -6,716 ft-long tons 3708: If the patient vomits during mouth-to mouth resuscitation, the rescuer should FIRST __________.
N a. ignore it and continue mouth-to-mouth ventilation N b. pause for a moment until the patient appears quiet again, then resume ventilation mouth-to-mouth N c. switch to mouth-to-nose ventilation Y d. turn the patient's body to the side, sweep out the mouth and resume mouth-to-mouth ventilation 3725: A crew member has suffered frostbite to the toes of both feet. You should __________.
Y a. immerse the feet in warm water N b. warm the feet with a heat lamp N c. warm the feet at room temperature N d. rub the feet 3815: Among the valves to open when deballasting using tanks 1P and 10P of the DEEP DRILLER is __________.
N a. 2 Port N b. 24 Port Y c. 48 Port N d. 44 Port 3885: On the DEEP DRILLER, among the starboard-side valves to open when flooding through the overboard discharge into ballast tank 1S is valve __________.
Y a. 2 N b. 3 N c. 7 N d. 37 4061: In the DEEP DRILLER, TCG is obtained from the sum of the transverse moments by __________.
N a. adding the free surface correction N b. subtracting the free surface correction N c. multiplying by displacement Y d. dividing by displacement 4202: Your vessel is floating in water of density 1010. The fresh water allowance is 8 inches. How far below her marks may she be loaded so as to float at her mark in saltwater of density 1025?
N a. 3.2 inches Y b. 4.8 inches N c. 6.4 inches N d. 8.0 inches 5281: The DEEP DRILLER suffers minor flooding of the port pump room while in transit. If both port bilge pumps fail to dewater the pump room, you may __________.
Y a. use port drill water pump N b. use port saltwater service pump N c. use port ballast pumps N d. use starboard ballast pumps and crossover system 5513: A link on an anchor chain should be replaced when wear or grinding of surface cracks has reduced the cross section area by __________.
N a. 4% N b. 6% N c. 8% Y d. 10% 5525: What does the proof test load of an anchor chain demonstrate?
N a. The breaking strength of the anchor chain Y b. Strength of the anchor chain to a specified limit N c. Adequate holding power for new bottom conditions N d. Safe working load of the anchor chain 5913: If uniformly distributed in the cantilever pipe rack of the COASTAL DRILLER, how much pipe can be placed in the cantilever pipe rack area when the cantilever has been extended 40 feet aft of the transom?
N a. 630 kips N b. 609 kips Y c. 500 kips N d. 479 kips 6617: On offshore drilling units, sleeping spaces for the regular personnel employed on board may not berth more than __________.
N a. two persons N b. three persons Y c. four persons N d. five persons 7675: To calculate the free surface correction, it is necessary to divide the free-surface moments by the __________.
N a. total weight of liquid loads Y b. total displacement N c. lightweight N d. deadweight 8151: Laying down drill pipe from the derrick of a semisubmersible on location reduces the __________.
Y a. natural roll period N b. metacentric height N c. waterplane area N d. righting moment 8193: In a severe storm while elevated, the drilling loads on the COASTAL DRILLER must be considered as __________.
N a. hook loads N b. setback loads N c. rotary loads Y d. variable loads 8225: On what type of pump would you find an impeller?
Y a. Centrifugal N b. Gear N c. Piston N d. Vane 8563: How often must CO2 systems be inspected to confirm cylinders are within 10% of the stamped full weight of the charge?
N a. quarterly N b. semiannually Y c. annually N d. biannually 8781: To determine the number of certificated Lifeboatmen required on a mobile offshore drilling unit, you should check the __________.
N a. load line certificate Y b. Certificate of Inspection N c. Safety of Life at Sea Certificate N d. Operations Manual 8848: Enclosed lifeboats which have been afloat over a long period of time require __________.
N a. frequent opening of hatches to permit entry of fresh air Y b. regular checks of bilge levels N c. use of ear plugs to dampen engine noise N d. frequent flushing of the water spray system with fresh water 8901: The Safety of Life at Sea Convention was developed by the __________.
N a. U.S. Coast Guard N b. American Bureau of Shipping Y c. International Maritime Organization N d. American Institute of Maritime Shipping 9115: An airplane should NOT send which signal in reply to a surface craft?
Y a. Opening and closing the throttle N b. Rocking the wings N c. Flashing the navigational lights off and on N d. Flashing Morse T 9261: The retrievable subsea units that contain the pilot valves and regulators for operating the subsea blowout preventers are called __________.
N a. accumulators Y b. control pods N c. consoles N d. shuttle controls 9325: Good housekeeping on a vessel prevents fires by __________.
N a. allowing better access in an emergency Y b. eliminating potential fuel sources N c. eliminating trip hazards N d. improving personnel qualifications 9497: Stability is determined principally by the location of the point of application of two forces: the upward-acting buoyant force and the __________.
N a. upward-acting weight force Y b. downward-acting weight force N c. downward-acting buoyant force N d. environmental force 9614: The normal designed CO2 storage tank temperature and pressure associated with a ship's low-pressure CO2 fixed fire extinguishing system is approximately __________.
N a. 0°F at 50 PSI N b. 70°F at 150 PSI Y c. 0°F at 300 PSI N d. 70°Fat 500 PSI