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.
179: A vessel is floating at a mean draft of 14 feet. At this draft, the displacement is 6780 tons. The length of the vessel is 450 feet, beam is 50 feet, and TPI is 45.5. What is the KM? (See the P-K table in the blue pages of the Stability Data Reference Book)
N a. 28 feet N b. 26 feet Y c. 22 feet N d. 12 feet 229: Fuel oil tank vents are fitted with a screen which will stop __________.
N a. oil from flowing out of the tank vent N b. air from entering the tank vent N c. vapors from leaving the tank vent Y d. flames on deck from entering the tank vent 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 471: In how many locations must lifeboats be installed on a mobile offshore drilling unit?
N a. 4 N b. 3 Y c. 2 N d. 1 565: Small oil spills on deck can be kept from going overboard by __________.
N a. driving wooden plugs into the vents N b. closing the lids on the vents Y c. plugging the scuppers N d. plugging the sounding pipes 696: For each person it is certified to carry, a lifeboat on an oceangoing passenger vessel must be provided with all of the following EXCEPT __________.
N a. 3 liters of water N b. 1 unit of provisions N c. 1 seasickness kit Y d. 1 life preserver 758: A fire is discovered in the forepeak of a vessel at sea. The wind is from ahead at 35 knots. You should __________.
N a. remain on course and hold speed Y b. change course and put the stern to the wind N c. change course to put the wind on either beam and increase speed N d. remain on course but slack the speed 864: A crew member suddenly becomes blind in both eyes. Which code should your message contain?
N a. MNJ N b. MNM Y c. MNO N d. MNI 883: On a vessel of 15,000 tons displacement, compute the reduction in metacentric height due to free surface in a hold having free water in the tank tops. The hold is 50 feet long and 60 feet wide. The reduction in metacentric height is __________.
N a. 1.54 feet N b. 1.59 feet N c. 1.63 feet Y d. 1.71 feet 948: Fires in combustible metals, such as sodium or magnesium, are classified as class __________.
N a. A N b. B N c. C Y d. D 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. 1227: Which type of portable fire extinguishers is NOT designed for use on flammable liquid fires?
N a. Foam (stored-pressure) Y b. Water (cartridge-operated) N c. Dry chemical N d. Carbon dioxide 1278: An extinguishing agent which effectively cools, dilutes combustible vapors, removes oxygen, and provides a heat and smoke screen is __________.
N a. carbon dioxide N b. Halon 1301 N c. dry chemical Y d. water fog 1290: Which davit type may be operated by one man?
N a. Quadrantal Y b. Gravity N c. Sheath-screw N d. Radial 1414: What should be used to steer an open lifeboat if the rudder becomes lost or damaged?
N a. Sea anchor Y b. Steering oar N c. Spare rudder N d. Daggerboard 1470: If your vessel has a list to port due to negative GM and off-center weight, the first corrective measure you should take is to __________.
N a. move port-side main-deck cargo to the starboard side Y b. fill the starboard double-bottom N c. pump water from the port double-bottom to the starboard double-bottom N d. pump water from the port double-bottom over the side 1635: Which firefighting method is an example of an indirect attack on a fire?
N a. Bouncing a straight stream of water off the overhead to create spray effect N b. Spraying foam on a bulkhead and letting it flow down and over a pool of burning oil Y c. Flooding a paint locker with CO2 and sealing the compartment N d. Cooling adjacent bulkheads with water to prevent the spread of the fire by conduction 1690: The tops of the thwarts, side benches, and the footings of a lifeboat are painted which color?
Y a. International orange N b. Yellow N c. White N d. Red 1699: On small sailing vessels, the PRIMARY reason for using nylon in a combination chain-nylon anchor line is to __________.
Y a. provide elasticity N b. increase the strength N c. reduce the cost N d. reduce the weight 1775: You are inspecting the nonmetallic oil transfer hoses on the vessel you operate. The maximum allowable pressure of the hose is 70 psi. Your inspection confirms the hose did not burst, bulge, leak or abnormally distort under the required static liquid pressure of __________.
N a. 70 psi Y b. 105 psi N c. 140 psi N d. 210 psi 1940: Life jackets should be stowed in __________.
N a. survival craft N b. messrooms Y c. readily accessible locations N d. locked watertight containers 1995: Who is responsible for insuring that each survival craft on a mobile offshore drilling unit is cleaned and inspected once a year?
N a. The certificated lifeboatman assigned to that craft N b. The certificated able seaman assigned to that craft N c. The Coast Guard inspecting officer Y d. The designated person in charge of the rig 2172: Your vessel displaces 560 tons. The existing deck cargo has a center of gravity of 4.5 feet above the deck and weighs 34 tons. If you load 10 tons of ground tackle with an estimated center of gravity of 2.8 feet above the deck, what is the final height of the CG of the deck cargo?
Y a. 4.11 feet N b. 4.36 feet N c. 4.57 feet N d. 4.78 feet 2268: To what chemical family does chlorallylene belong?
N a. Alcohols N b. Esters N c. Glycol ethers Y d. Substituted allyl 2342: Your vessel's drafts are: FWD 13'-11", AFT 11'-09". How much more cargo can be loaded to have the vessel down to the freeboard draft? (Use the information in Section 1, the blue pages, of the Stability Data Reference Book)
Y a. 9069 tons N b. 9172 tons N c. 9207 tons N d. 9244 tons 2645: Keeping the draft of a MODU at or below the load line mark will insure that the unit has adequate __________.
N a. reserve ballast Y b. reserve buoyancy N c. lightweight displacement N d. critical motions 2764: If you wear extra clothing when entering the water after abandoning ship it will __________.
N a. weigh you down Y b. preserve body heat N c. reduce your body heat N d. make it more difficult to breathe 2849: A vessel would be referred to as "stiff" when the weight of the cargo is __________.
N a. evenly distributed vertically and the double bottoms are full N b. concentrated low and the double bottoms are empty Y c. concentrated low and the double bottoms are full N d. concentrated high and the double bottoms are empty 2886: A small passenger vessel, operating only on domestic routes, which is operated in salt water for more than three months in a year must undergo a dry dock and internal structural examination at least once every __________.
Y a. 2 years N b. 3 years N c. 4 years N d. 5 years 3216: Gasoline fuel tank vents should terminate __________.
N a. in the engine compartment N b. in the fuel tank space Y c. above or outside the hull N d. at the most convenient location 3238: During fueling, all doors, hatches, and ports __________.
N a. to windward should be opened and the ones to leeward should be closed N b. to leeward should be opened and the ones to windward should be closed N c. should be opened Y d. should be closed 3396: On a vessel making a voyage more than 48 hours long, regulations require that __________.
N a. a lifeboat drill be held within 12 hours prior to departure N b. fire pumps be tested by starting within 12 hours prior to departure N c. the emergency generator and lighting system be tested by starting and operating within 12 hours prior to departure Y d. the entire steering gear be tested within 12 hours prior to departure 3479: A feature of an inflatable raft which helps keep people stationary in rough weather is __________.
N a. lashings on the floor of the raft for the passenger's feet N b. straps from the overhead Y c. lifelines on the inside of the raft N d. ridges in the floor of the raft 3485: In the event the motion of the DEEP DRILLER is such that critical motion limits are exceeded, you should __________.
N a. place the unit at 65 foot draft Y b. place the unit at 45 foot draft N c. shift loads to increase KG N d. place the unit in standby 3507: The lightweight longitudinal moments for the DEEP DRILLER are __________.
N a. 680,914 ft-long tons N b. 9,733 ft-long tons N c. -5,937 ft-long tons Y d. -6,716 ft-long tons 3531: The draft of the DEEP DRILLER in the lightweight condition is __________.
Y a. 16.19 feet N b. 17.71 feet N c. 17.96 feet N d. 18.35 feet 3581: The DEEP DRILLER, at a draft of 58 feet, has VM of 900,000 ft-tons, and FSMT of 20,000 ft-tons. What is the KGT?
Y a. 51.6 feet N b. 52.3 feet N c. 53.8 feet N d. 55.0 feet 3632: When using a handheld smoke signal in a liferaft, you should activate the signal __________.
N a. on the upwind side N b. inside the boat N c. at the stern Y d. on the downwind side 3813: The sounding in tank 1P of the DEEP DRILLER is 7.58 feet. What are the vertical moments for this quantity of ballast?
N a. 729 ft-long tons Y b. 991 ft-long tons N c. 19,609 ft-long tons N d. 27,652 ft-long tons 3858: Lifesaving equipment shall be stowed so that it will be __________.
N a. locked up Y b. readily accessible for use N c. inaccessible to passengers N d. on the topmost deck of the vessel at all times 3865: What is the minimum required number of ring life buoys on an OSV certified for ocean service?
N a. 4 Y b. 8 N c. 12 N d. 16 3868: The rescue boat on an OSV shall carry a tow line strong enough to tow the vessel's largest loaded liferaft at a speed of at least __________.
N a. 1 knot Y b. 2 knot N c. 5 knot N d. 10 knot 3896: Life preservers must be marked with the __________.
N a. stowage space assigned Y b. vessel's name N c. vessel's home port N d. maximum weight allowed 4112: A fire is discovered in the forepeak of a vessel at sea. The wind is from ahead at 35 knots. You should __________.
N a. remain on course and hold speed N b. remain on course but slack the speed N c. change course to put the wind on either beam and increase speed Y d. change course and put the stern to the wind 4170: The color of the signal flares sent up by a submarine surfacing from periscope depth is __________.
N a. yellow N b. red N c. green Y d. white 4210: You are loading in a port subject to the summer load line mark and bound for a port subject to the winter load line mark. You will enter the winter zone after steaming four days. You will consume 35 tons of fuel, water, and stores per day. The hydrometer reading at the loading pier is 1.0083, and the average TPI is 65. What is the minimum freeboard required at the start of the voyage? (Get Table Data)
Y a. 74 inches N b. 78 inches N c. 80 inches N d. 86 inches 4242: A certificated lifeboatman assigned to command the lifeboat should __________.
N a. be the first individual to board the craft N b. drain the hydraulic pressure before lowering the craft Y c. have a list of the persons assigned to the lifeboat N d. All of the above 4734: Seawater may be used for drinking __________.
N a. if gathered during or immediately after a hard rain N b. at a maximum rate of two ounces per day Y c. under no conditions N d. after mixing with an equal quantity of fresh water 5225: If the cause of a sudden severe list or trim is negative initial stability, counterflooding into empty tanks may __________.
N a. increase the righting moment N b. cause an increase in the righting arm N c. bring the unit to an upright equilibrium position Y d. cause the unit to flop to a greater angle 6055: How often are fire hoses required to be tested on a mobile offshore drilling unit?
N a. Once a week N b. Once a month Y c. Once a year N d. During each drill 6402: Small passenger vessels in cold water ocean routes, that do not meet the standards for collision bulkheads or subdivision in subchapter S, must carry __________. (small passenger vessel regulations)
Y a. 100% inflatable buoyant apparatus N b. at least one hand fire pump N c. at least two EPIRBs N d. All of the above. 6515: While off-loading from an offshore supply vessel with the crane, the wind increases in strength and changes direction significantly, you should __________.
N a. expedite off-loading N b. stop off-loading, but keep the offshore supply vessel in the present location N c. continue off-loading with no changes Y d. move the offshore supply vessel to the downwind side 6767: A life preserver or buoyant work vest is required to be worn on a MODU when a person is __________.
N a. working on the rig floor Y b. working over water N c. working on the pipe racks N d. operating line throwing equipment 7051: When a patient is suspected of having appendicitis, the primary action is to __________.
N a. give the patient a laxative to relieve pain N b. give the patient morphine sulfate to relieve pain Y c. confine to bed until helicopter arrives N d. give the patient aspirin with a glass of water 7367: Among the possible causes of unexpected rapidly increasing inclination of the DEEP DRILLER while on location is __________.
N a. consumption of on board variables N b. miscalculation of loads N c. external environmental forces Y d. flooding due to column damage 7593: The horizontal distance between the vertical lines of action of gravity and the buoyant forces is called the __________.
Y a. righting arm N b. metacentric height N c. metacentric radius N d. height of the center of buoyancy 7841: In a combination chain and wire rope mooring system, the anchor chain is deployed at the anchor end of the line to __________.
N a. increase fatigue life of the system N b. reduce the time to retrieve the line Y c. increase the holding power N d. reduce the catenary 8712: Jettisoning weight from topside __________.
N a. returns the vessel to an even keel N b. reduces free surface effect Y c. lowers the center of gravity N d. raises the center of buoyancy 8875: The DEEP DRILLER is loaded as shown in the Sample Load Form #1 (Transit). Excessive motion makes it necessary to ballast down to survival draft. It is decided to check the stability at the intermediate draft of 32 feet. If the added ballast has an average VCG of 9.03 feet, and the sum of free surface moments is 56,244 foot-tons, what is the new margin on the maximum allowable KG?
N a. 6.23 feet N b. 5.11 feet N c. 4.86 feet Y d. 4.06 feet 9251: For well control, the American Petroleum Institute recommends that hydraulic units have sufficient horsepower to close the annular preventer in __________.
N a. 15 seconds Y b. 30 seconds N c. 45 seconds N d. 60 seconds