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.
13: Your liferaft is to leeward of a fire on the water and riding to its sea anchor. You should FIRST __________.
Y a. boat the sea anchor N b. paddle away from the fire N c. splash water over the liferaft to cool it N d. get out of the raft and swim to safety 45: Which statement is TRUE concerning small oil spills?
N a. They usually disappear quickly. N b. They usually stay in a small area. Y c. They may cause serious pollution as the effect tends to be cumulative. N d. A small spill is not dangerous to sea life in the area. 56: The required number and type of hand portable fire extinguishers for staterooms on cargo vessels is __________.
N a. one A-I N b. one B-I N c. one C-I Y d. none required 94: If you desired to communicate with another station that your navigation lights were not functioning, you would send __________.
N a. PB Y b. PD1 N c. MJ N d. LN1 122: A negative metacentric height __________.
N a. will always cause a vessel to capsize Y b. should always be immediately corrected N c. always results from off-center weights N d. All of the above are correct 239: Which statement about the free surface correction is TRUE?
N a. It is added to GM at light drafts and subtracted at deep drafts. N b. It is increased if the slack tank is not on the centerline. N c. It is decreased if the slack tank is below the KG of the vessel. Y d. The correction decreases as the draft increases due to loading dry cargo. 317: Your vessel will be entering the navigable waters of the United States. You are required by regulations to __________.
N a. test the primary and secondary steering systems no more than 8 hours before entering Y b. correct the charts of the area to be transited using the Notice(s) to Mariners or foreign equivalent reasonably available N c. have a copy of Radio Navigational Aids N d. check the magnetic compass for the correct deviation 343: An emergency sea anchor may be constructed by using __________.
N a. a boat bucket N b. an air tank filled with water N c. an oar and canvas weighted down Y d. All of the above 352: What is an advantage of water fog or water spray over a straight stream of water in fighting an oil fire?
N a. It has a smothering effect on the fire. N b. It requires less water to remove the same amount of heat. N c. It gives more protection to fire fighting personnel. Y d. All of the above 430: The effects of free surface on a vessel's initial stability do NOT depend upon the __________.
N a. volume of displacement of the vessel N b. dimensions of the surface of the liquid Y c. amount of liquid in slack tanks N d. specific gravity of the liquid in the tank 533: What is the purpose of limber holes?
N a. To allow for air circulation N b. To allow for stress and strain in rough waters N c. To allow water in the boat to drain overboard Y d. To allow water in the bilge to get to the boat drain 662: Foam extinguishes a fire mainly by __________.
N a. cooling N b. chemical action Y c. smothering N d. inerting the air 1257: Providing you are not sailing in the Red Sea or another special area as listed in ANNEX V of MARPOL, how many miles from land must you be to throw garbage including bottles, rags, and glass that has not been ground up into the sea?
N a. 3 nm N b. 6 nm Y c. 12 nm N d. 25 nm 1528: You are offloading garbage to another ship. Your records must identify that ship by name and show her __________.
N a. home port N b. next port-of-call Y c. official number N d. Master 1557: When a sea anchor for a lifeboat is properly rigged, it will __________.
N a. completely stop the lifeboat from drifting Y b. help to prevent broaching N c. prevent the lifeboat from pitching N d. None of the above 1610: An "ABC" dry chemical fire extinguisher would be LEAST effective against a fire in __________.
Y a. a mattress N b. spilled liquids such as oil or paint N c. high voltage electrical gear N d. a trash can 1678: Your vessel is 79 feet long with 20 people aboard. The coaming of a deck above the lowest weather deck (except an exposed forecastle deck) must be at least __________.
N a. 6" high N b. 12" high N c. 24" high Y d. Not required 1706: The major lift-producing part of a sail is the __________.
Y a. leading edge N b. trailing edge N c. head N d. foil 2135: The SS AMERICAN MARINER is loaded with the cargo shown. Use the white pages of The Stability Data Reference Book to determine the amount of liquid loading required in the double bottom tanks to meet a one compartment standard. ST-0051
N a. 395 tons Y b. 530 tons N c. 750 tons N d. 990 tons 2148: Your vessel's drafts are FWD 19'-03", AFT 21'-07". Use the information in Section 1, the blue pages, of the Stability Data Reference Book to determine the final drafts if 142 tons of fuel are pumped 86 feet aft.
Y a. FWD 18'-09", AFT 22'-01" N b. FWD 19'-00", AFT 21'-01" N c. FWD 19'-00", AFT 21'-08" N d. FWD 19'-01", AFT 21'-04" 2212: In order to maintain speed while changing course from a close reach to a broad reach, the sails should be __________.
N a. lowered N b. reefed N c. hauled in Y d. eased out 2265: A right-handed propeller will cause the survival craft to __________.
N a. walk the stern to starboard in reverse Y b. walk the stern to port in reverse N c. run faster than a left-handed propeller N d. right itself if capsized 2320: You are attempting to recover a mooring buoy. If you approach the object on the port tack, how would you slow the vessel as you draw near?
N a. Quickly change to a starboard tack as you reach the object. N b. Shift the rudder from port to starboard several times as you reach the object. N c. Bring the wind so that it comes over the stern and ease all the sheets. Y d. Bring the wind directly over the bow and allow the sails to luff. 2367: The person or company, either proprietor or lessee, actually operating an oil well or lease is the __________.
N a. production company N b. company representative N c. drilling contractor Y d. operator 2390: According to the Chemical Data Guide, ethylene oxide exhibits which fire and explosion hazard?
N a. It breaks down into highly toxic fumes of bromides. N b. It reacts with water to provide flammable vapors. Y c. It does not need oxygen for combustion. N d. Its flash point is 80.4°F. 2416: Which statement is TRUE?
N a. GMDSS radio logs are required to contain entries pertaining to all incidents connected to radio communication service which appear to be of importance to the safety of life at sea. N b. All distress communications must be entered in the GMDSS radio log. Y c. Both of the above N d. None of the above 2450: During transfer operations, ethyl chloride spills into the water. According to the Chemical Data Guide, the ethyl chloride will boil off if the water temperature is above __________.
N a. 46°F Y b. 54°F N c. 60°F N d. 68°F 2500: According to the Chemical Data Guide, which extinguishing agent is NOT recommended for use in fighting an ethylamine fire?
N a. Alcohol foam N b. Carbon dioxide N c. Dry chemical Y d. Water fog 2530: Regulations require that cargo pumprooms on tank barges (constructed in 1965) carrying grades B or C liquid cargoes have power ventilation systems which can completely change the air in __________.
N a. 1 minute Y b. 3 minutes N c. 5 minutes N d. 10 minutes 2577: The radiotelephone safety signal is __________.
Y a. "Securite" repeated 3 times N b. "Safety" repeated 3 times N c. "Pan Pan" repeated 3 times N d. "Securite Securite" repeated 3 times 2735: A load line is assigned to a MODU to insure adequate stability and __________.
N a. mooring tension N b. riser tension N c. lifesaving equipment Y d. structural strength 2815: A vessel heading WNW is on a course of __________.
N a. 270.0° Y b. 292.5° N c. 315.0° N d. 337.5° 3036: 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-0098
N a. 262.3 ft N b. 264.9 ft Y c. 268.1 ft N d. 270.3 ft 3103: Adding the longitudinal free surface correction to the uncorrected height of the center of gravity of a MODU yields __________.
N a. FSCL N b. KG Y c. KGL N d. GML 3187: Repair of vital machinery and services on a MODU should be accomplished __________.
Y a. after control of fire, flooding, and structural repairs N b. immediately N c. after control of fire, but before control of flooding N d. after stability is restored 3251: A hydrostatic release mechanism for a liferaft __________.
N a. must be wet before it will release N b. should be kept in a watertight cover except in an emergency N c. will inflate the raft in its cradle if operated manually Y d. must be submerged to a certain depth to release automatically 3599: What should you do with your emergency position indicating radio beacon if you are in a lifeboat during storm conditions?
Y a. Bring it inside the liferaft and leave it on. N b. Bring it inside the liferaft and turn it off until the storm passes. N c. Leave it outside the liferaft and leave it on. N d. Leave it outside the liferaft and turn it off. 3670: On a passenger vessel with stateroom accommodations, which space would NOT be required to be checked by the patrol between 10 pm and 6 am?
N a. galley N b. public spaces with an automatic fire detection system Y c. pilothouse N d. weather decks 3711: Changing rescuers while carrying out artificial respiration should be done __________.
Y a. without losing the rhythm of respiration N b. only with the help of two other people N c. by not stopping the respiration for more than 5 minutes N d. at ten minute intervals 3934: 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-0150
Y a. 228.8 ft N b. 238.3 ft N c. 252.4 ft N d. 266.5 ft 3954: The float free link attached to a sea painter on an inflatable liferaft has a breaking strength of __________.
N a. 100-134 lbs for buoyant apparatus with a capacity of 10 persons or less N b. 200-268 lbs for buoyant apparatus with a capacity of 11 to 20 persons N c. 400-536 lbs for buoyant apparatus with a capacity of 21 persons or more Y d. All of the above 4093: Towing vessels of more than 39.4 feet in length must carry charts or maps _____________ .
N a. of the area to be navigated N b. with enough detail to make safe navigation possible N c. of the current edition or currently corrected edition Y d. All of the above 4120: Which of the following would be of immediate concern after discovering a large fire in the ship's galley?
N a. An adjacent storeroom, containing spare parts Y b. A storeroom directly above, containing combustible fluids N c. An adjacent storeroom, containing mattresses and linen N d. An adjacent storeroom, marked "Stewards Stores" 4249: How should you warm up a diesel engine that has not been run for some time?
N a. Run it at minimum speed until warmed to operating temperature. Y b. Idle for a brief period of time and then warm up at half speed. N c. Bring it up to top speed immediately and run until warmed up. N d. Inject ether into the air intake to shorten warm up time. 4258: Dacron sails, when not in use, may be damaged if __________.
Y a. left in the sunlight N b. stowed wet N c. washed with soap N d. folded frequently 5245: To maintain a high state of readiness against the possibility of damage and subsequent flooding while aboard the DEEP DRILLER, you should __________.
N a. post a watch in the pump room N b. keep tanks no more than half filled Y c. cap sounding tubes except when in use N d. keep bilge pumps operating continuously 5261: The DEEP DRILLER, loaded as shown in Sample Load Form #4 (Drilling), suffers major damage which results in flooding in tank C1P. Your best countermeasure is to __________.
Y a. pump from 2P N b. pump from C1P N c. counterflood in 1P N d. counterflood in 10S 5387: Which toxic gas is a product of incomplete combustion, and is often present when a fire burns in a closed compartment?
N a. Nitric oxide N b. Carbon dioxide N c. Hydrogen sulfide Y d. Carbon monoxide 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. 5781: In storm conditions, with the wind and waves from the port bow of the DEEP DRILLER in 600 feet water depth, the tensions in mooring line 1 and 2 are 400 kips. Completely slacking the mooring lines 5 and 6 reduces the tension in mooring lines 1 and 2 to about __________.
N a. 375 kips Y b. 330 kips N c. 275 kips N d. 220 kips 5835: The initial tension set in the mooring system of a MODU establishes the __________.
N a. maximum water depth at which drilling operations can be conducted Y b. distance the unit can be offset from the wellbore before the restoring forces oppose the environmental forces N c. maximum time it will take to disconnect the riser package in the event of a storm N d. minimum amount of ballast needed to keep the vessel at operating draft during normal drilling operations 6157: Smoking in bed on a MODU is prohibited __________.
Y a. at all times N b. during evening hours N c. unless another person is present N d. during drilling operations 6308: You are underway at sea when a fire is reported in the forward part of the vessel. The wind is from dead ahead at 20 knots. You should __________.
N a. remain on course and hold speed N b. change course to put the wind on either beam and increase speed N c. remain on course but decrease speed Y d. change course and put the stern to the wind 6618: The SS AMERICAN MARINER has on board 6048 tons of cargo with an LCG-FP of 270.71 feet. See the distribution of the cargo to be loaded. Use the white pages of The Stability Data Reference Book to determine the final LCG-FP of the cargo. ST-0193
Y a. LCG-FP 267.03 feet N b. LCG-FP 267.92 feet N c. LCG-FP 268.66 feet N d. LCG-FP 269.94 feet 7323: Whenever your marine radio is on, FCC Rules require you to monitor __________.
N a. a commercial ship-to-ship channel N b. the last frequency that was used Y c. the distress and calling frequency N d. the radio only if expecting a call 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 7625: The original equilibrium position is always unstable when __________.
Y a. metacentric height is negative N b. KM is higher than KG N c. KG exceeds maximum allowable limits N d. free surfaces are excessive 7631: At an angle of loll, the capsizing moment is __________.
N a. maximum N b. negative N c. positive Y d. zero 7687: When displacement increases, the free surface moments of slack tanks __________.
N a. increase N b. decrease N c. are inversely proportional Y d. remain unchanged 9327: Accumulations of oily rags should be __________.
N a. kept in nonmetal containers Y b. discarded as soon as possible N c. cleaned thoroughly for reuse N d. kept in the paint locker