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.
127: Before welding in a tank that has carried petroleum products, the tank must be certified by __________.
N a. the Coast Guard N b. the American Bureau of Shipping N c. the shipyard fire department Y d. a certified marine chemist 292: High-velocity fog __________.
N a. is a finer, more diffuse water spray than low-velocity fog N b. requires that the water pressure be no greater than 60 psi N c. produces an effective fog pattern no more than 6 feet beyond the nozzle Y d. extinguishes a fire by absorbing heat and reducing the supply of oxygen 586: On small passenger vessels, which material must not be used in a valve or fitting for a hull penetration?
N a. Cast bronze N b. Plastic Y c. Cast iron N d. Stainless steel 764: Which word is an international distress signal when transmitted by radiotelephone?
N a. Securite Y b. Mayday N c. Breaker N d. Pan 795: The authority to grant an alternate procedure for oil transfer operations rests with the __________.
N a. nearest Coast Guard office N b. Officer-in-Charge, Marine Inspection N c. Area Commander Y d. Captain of the Port 863: A tank 36 ft. by 36 ft. by 6 ft. is filled with water to a depth of 5 ft. If a bulkhead is placed in the center of the tank running fore-and-aft along the 36-foot axis, how will the value of the moment of inertia of the free surface be affected?
N a. The moment of inertia would remain unchanged. Y b. The moment of inertia would be 1/4 its original value. N c. The moment of inertia would be 1/2 the original value. N d. None of the above 890: All of the following can be determined by use of a stabilogauge EXCEPT __________.
N a. metacentric height N b. mean draft Y c. moment to trim one inch N d. deadweight 1027: What is the most important characteristic of the extinguishing agent in fighting a class "C" fire?
N a. Weight N b. Temperature Y c. Electrical nonconductivity N d. Cost 1110: Limit switches on gravity davits should be tested by __________.
N a. the engineers, from a panel in the engine room N b. shutting off the current to the winch Y c. pushing the switch lever arm while the winch is running N d. All of the above 1309: On small passenger vessels which type of internal combustion engine carburetor does not require a drip collector?
N a. Updraft N b. Two barrel N c. Four barrel Y d. Downdraft 1406: The principal danger from ice collecting on a vessel is the____________________.
N a. decrease in capabilities of radar N b. decrease in displacement N c. adverse effect on trim Y d. loss of stability 1564: Which action is routinely performed at the annual servicing and inspection of a dry-chemical cartridge-operated portable fire extinguisher?
Y a. Insure the chemical is powdery. N b. Replace the cartridge. N c. Pressure test the discharge hose. N d. Test the pressure gauge for proper operation. 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. 1782: Which channel has been designated for on-scene communications in GMDSS?
N a. 24 N b. 2182 N c. 70 Y d. 16 and 2174.5 1888: The liquid mud tanks on your vessel measure 18'L by 10'B by 6'D. The vessel's displacement is 944 T and the specific gravity of the mud is 1.9. What is the reduction in GM due to 2 of the tanks being slack?
N a. .08 foot Y b. .16 foot N c. .45 foot N d. .90 foot 1916: What is part of a vessel's standing rigging?
N a. Sheet Y b. Backstay N c. Topping lift N d. Downhaul 2064: INTERNATIONAL AND INLAND You are under sail and overtaking a tug and tow. Which action is correct?
N a. The power-driven tug must maneuver to avoid collision. Y b. You must maneuver to avoid the tug and tow. N c. You must maneuver to avoid collision only if the tug is to leeward and the wind is on your port side. N d. Both vessels are required to maneuver to avoid collision. 2066: A boom vang __________.
Y a. holds the boom down and flattens the main sail N b. draws the head of the sail to windward N c. tautens the standing rigging N d. douses the gaff topsail 2079: Your vessel displaces 479 tons. The existing deck cargo has a center of gravity of 3.0 feet above the deck and weighs 16 tons. If you load 23 tons of anchor and anchor chain with an estimated center of gravity of 9 inches above the deck, what is the final height of the CG above the deck?
N a. 0.33 foot N b. 1.00 foot N c. 1.45 feet Y d. 1.67 feet 2197: A self-righting survival craft will return to an upright position provided that all personnel __________.
Y a. are seated with seat belts on and doors shut N b. are seated with seat belts on and doors open N c. are to shift to one side to right it N d. escape from the craft 2246: What would be classified as grade "C" petroleum product?
N a. Reid vapor pressure of 14 psia, flash point of 60°F. N b. Reid vapor pressure of 7 psia, flash point of 85°F. Y c. Reid vapor pressure of 5 psia, flash point of 70°F. N d. Reid vapor pressure above 8 1/2 psia but less than 14 psia. 2256: 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-0054
N a. Available GM 6.8 ft N b. Available GM 5.4 ft N c. Available GM 4.1 ft Y d. Available GM 3.6 ft 2257: The survival craft's engine is fueled with __________.
N a. kerosene N b. unleaded gasoline Y c. diesel oil N d. liquefied gas 2266: Which fire extinguishing agent can NOT be used on an ethylenediamine?
Y a. Water foam N b. Dry chemical powder N c. Water fog N d. Alcohol foam 2306: Which flash point would indicate a grade D combustible liquid?
N a. 40°F Y b. 95°F N c. 79°F N d. 155°F 2323: Why is electrical power preferred over mechanical power for driving heavy machinery on drilling rigs?
N a. More fuel efficient Y b. More flexible N c. Lighter N d. Less maintenance 2336: While loading bulk oil in a barge, you notice oil on the water alongside. What should you do FIRST?
N a. Search the vessel for leaks. N b. Notify the terminal superintendent. Y c. Stop loading. N d. Notify the Coast Guard. 2362: A tankerman who permits or causes oil to go into a navigable waterway may be punished federally by __________.
N a. fine N b. imprisonment N c. suspension or revocation of tankerman's document Y d. All of the above 2394: Your vessel's drafts are FWD 24'-09", AFT 27'-01". Use the information in Section 1, the blue pages, of the Stability Data Reference Book to determine the final drafts if 122 tons are discharged 76 feet aft of amidships, 128 tons are discharged 54 feet forward of amidships, and 68 tons of fuel is pumped 48 feet aft.
N a. FWD 24'-01", AFT 26'-08" N b. FWD 24'-02", AFT 26'-11" Y c. FWD 24'-04", AFT 26'-08" N d. FWD 24'-05", AFT 26'-02" 2401: A high-velocity fog stream can be used in fire fighting situations to drive heat and smoke ahead of the fire fighters in a passageway. This technique should only be used when __________.
N a. using a 2-1/2 inch hose Y b. there is an outlet for the smoke and heat N c. the fire is totally contained by the ship's structure N d. at least two fog streams can be used 2703: The number of certificated able seamen and lifeboatmen required on a MODU is stated in the __________.
Y a. Certificate of Inspection N b. American Bureau of Shipping code N c. Minerals Management Service regulations N d. Safety of Life at Sea Convention 2798: Your vessel's drafts are: FWD 17'-07", AFT 16'-09"; and the KG is 21.5 feet. Use the selected stability curves in the blue pages of the Stability Data Reference Book to determine the remaining righting arm at 30° inclination if the center of gravity is 0.9 foot off the centerline.
N a. 1.5 feet Y b. 2.8 feet N c. 3.6 feet N d. 4.3 feet 2930: 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'-10", AFT 16'-08". If you then load 1225 tons of cargo in the lower hold (VCG 12 feet) and 875 tons of cargo in the lower 'tween decks (VCG 24 feet), what is the final GM? (Use the reference material in Section 1, the blue pages, of the Stability Data Reference Book)
N a. 0.0 feet Y b. 0.8 foot N c. 1.2 feet N d. 1.9 feet 3139: Open ullage holes in tanks which are not gas-free must be protected by __________.
N a. PV valves N b. warning signs Y c. flame screens N d. stop-check valves 3247: A semisubmersible with displacement of 19,700 long tons and KG of 50.96 feet loads 300 long tons of barite into P-tanks located 120 feet above the keel. What is the change in KG?
N a. 0.79 foot upward N b. 1.00 foot upward Y c. 1.04 feet upward N d. 1.83 feet upward 3339: What is acceptable flame screening?
N a. A fitted single brass screen of 10 x 10 mesh Y b. A fitted stainless steel screen of 30 x 30 mesh N c. A fitted single stainless steel screen of 15 x 15 mesh N d. Two fitted brass screens of 10 x 15 mesh spaced 1/2 inch apart 3445: The DEEP DRILLER, at a draft of 55 feet, has a KGT of 53.05 feet and TCG of 0.5 foot to starboard. What is the list angle?
N a. 2.0°Starboard Y b. 2.9°Starboard N c. 3.2°Starboard N d. 3.5° starboard 3475: What is the increase in the longitudinal free surface correction for the DEEP DRILLER at a draft of 60 feet if 103.48 long-tons of ballast are transferred from a full ballast tank 1P to an empty ballast tank 10S?
N a. 0.50 foot Y b. 0.47 foot N c. 0.27 foot N d. 0.13 foot 3642: When communicating on the radiotelephone using plain English, what procedure word indicates the end of my transmission and that a response is necessary?
N a. Out Y b. Over N c. Roger N d. Wilco 3702: You may have to give artificial respiration after an accidental __________.
N a. drowning N b. electrocution N c. poisoning Y d. All of the above 3743: An unconscious person should NOT be __________.
N a. placed in a position with the head lower than the body N b. given an inhalation stimulant Y c. given something to drink N d. treated for injuries until conscious 3772: The abandon ship signal sounded by the vessel's whistle is __________.
N a. 6 short blasts and 1 long blast N b. more than 6 short blasts Y c. more than 6 short blasts and 1 long blast N d. 1 long blast of at least 10 seconds 3789: The signal for a fire emergency on an OSV is __________.
N a. a 30 second on 30 second off alternating signal Y b. the continuous blast of the ships whistle for not less than 10 seconds supplemented by the continuous ringing of the general alarm bells for not less than 10 seconds N c. an intermittent ringing of the general alarm for not less than ten seconds N d. announced over the PA system 4174: Each EPIRB shall be tested using the integrated test circuit and output indicator every __________.
N a. week N b. two weeks Y c. month N d. quarter 4204: You are loading in a port subject to the summer load line mark and bound for a port subject to the tropical load line mark. You will enter the tropical zone after steaming four days. You will consume 33 tons of fuel, water, and stores per day. The hydrometer reading at the loading pier is 1.006, and the average TPI is 66. What is the minimum freeboard required at the start of the voyage? (Get Table Data)
Y a. 78 inches N b. 82 inches N c. 86 inches N d. 88 inches 4665: The COASTAL DRILLER is loaded as shown in the Sample Load Form #1 (Rig Move). If the contents of #6 and #7 drill water tanks are discharged, what would be the new VCG?
N a. 47.21 feet N b. 47.69 feet N c. 48.41 feet Y d. 49.16 feet 4718: The Sailing Plan, required by vessels participating in AMVER, must be sent __________.
N a. prior to departure Y b. within a few hours before or after departure N c. within 12 hours of departure N d. within 24 hours of departure 4744: You operate the lever shown when the lifeboat is __________. (D013SA )
N a. in the secured position N b. at the embarkation deck N c. being lowered to sea level Y d. waterborne 5131: In illustration D041DG symbol 1 refers to __________.
N a. change of draft N b. centerline N c. angle of inclination Y d. displacement 5648: The hydrostatic release on the inflatable liferafts on a fishing vessel must be __________.
N a. replaced annually N b. tested monthly Y c. serviced annually N d. overhauled quarterly 5817: The two main types of load cells used in mooring tension gauges are __________.
Y a. distortion and compression N b. hydraulic and mechanical N c. magnetic and applied torque N d. frictionless and hydraulic 6261: When should the emergency position-indicating radio beacon be activated after abandoning a MODU?
Y a. Immediately N b. After one hour N c. Only when another vessel is in sight N d. Only after sunset 6651: The factor of safety, based on the elastic limit of the material, for the forks used on power operated industrial trucks aboard a MODU must be at least __________.
N a. 2 to 1 Y b. 3 to 1 N c. 4 to 1 N d. 5 to 1 6661: On a self-elevating drilling unit, draft marks must be located __________.
Y a. near each corner of the hull N b. at frame O, port and starboard N c. at bow and stern on the centerline N d. on each leg 8217: What is the purpose of a striker plate?
N a. Provides surface for applying force on machinery Y b. Provides landing surface for the sounding bob N c. Absorbs machinery vibration N d. Prevents valve stem over-travel 8535: You are transferring fuel from a supply vessel to your MODU. If you close off one tank in the line of tanks being filled, the rate of flow to other open tanks on the same line will __________.
Y a. increase N b. decrease N c. stop N d. stabilize 8553: On offshore drilling units, each fire station is required to be fitted with a hose which has a nominal diameter of __________.
Y a. 1-1/2 or 2-1/2 inches N b. 2 or 3 inches N c. 2-1/2 or 3-1/2 inches N d. 3 or 4 inches 8671: The plans, for use during emergencies aboard the DEEP DRILLER, are readily available in the __________.
N a. wheelhouse under glass N b. pump room N c. OIM's office Y d. ballast control room 8871: The DEEP DRILLER is loaded as shown in the Sample Load Form #1 (Transit). Weather conditions make 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, what is the new KG?
N a. 54.76 feet N b. 55.76 feet Y c. 57.22 feet N d. 57.76 feet 9105: Each ventilation system for an enclosed classified location on a MODU must provide a complete change of air every __________.
N a. 3 minutes Y b. 5 minutes N c. 7 minutes N d. 10 minutes