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.
61: You are towing a 1000 gross ton gasoline tank barge. The barge is NOT gas free. Regulations say that the cargo tank hatches, ullage holes, and Butterworth plates on the barge may remain open without flame screens __________.
N a. without restriction N b. only while in areas of good weather Y c. when under the supervision of a senior crew member on duty N d. only when the barge is empty 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 481: How should the letter "D" be pronounced when spoken on the radiotelephone?
N a. DUKE N b. DA VID N c. DOG Y d. DELL TAH 534: Your vessel has been damaged and is taking on water, but you do not require immediate assistance. You would preface a message advising other vessels of your situation with __________.
N a. Mayday-Mayday-Mayday Y b. Pan-Pan (3 times) N c. Securite-Securite-Securite N d. SOS-SOS-SOS 580: Freeboard is measured from the upper edge of the __________.
N a. bulwark Y b. deck line N c. gunwale bar N d. sheer strake 592: A foam-type portable fire extinguisher would be most useful in combating a fire in __________.
N a. solid materials such as wood or bales of fiber Y b. flammable liquids N c. a piece of electrical equipment N d. combustible metallic solids 712: Which statement is TRUE concerning the application of foam on an oil fire?
N a. It cools the surface of the liquid. N b. It gives protection to fire fighting personnel against the heat of the fire. Y c. It forms a smothering blanket on the surface of the oil. N d. It should be used at the same time a solid stream of water is being applied. 796: When discharging a portable CO2 fire extinguisher, you should NOT hold the horn of the extinguisher because the horn __________.
N a. becomes extremely hot Y b. becomes extremely cold N c. could come off in your hands N d. is placed directly in the flames 822: When electrical equipment is involved in a fire, the stream of dry chemicals should be __________.
Y a. aimed at the source of the flames N b. fogged above the equipment N c. shot off a flat surface onto the flames N d. used to shield against electrical shock 961: Safety is increased if __________.
N a. extra line and wire are laid out on deck for emergency use Y b. all lashings are made up, and the decks are clean and clear N c. power tools are kept plugged in for immediate use N d. spare parts are kept on deck for ready access 1014: Which signal would be used by a shore rescue unit to indicate "Landing here highly dangerous"?
N a. The firing of a white star signal Y b. Horizontal motion with a white flag N c. Vertical motion of a white light N d. Code letter "K" by blinker light 1132: According to 46 CFR Subchapter T, how long should exhaust blowers be operated in enclosed spaces containing gasoline powered machinery before starting the engine?
N a. For at least four to five minutes N b. Long enough to achieve a minimum of two complete air changes Y c. Long enough to achieve at least one complete change of air N d. No fixed amount, but the blower should run until you don't smell any gas 1307: Firefighting foam is only effective when the foam __________.
N a. penetrates to the bottom of the fire N b. is kept saturated with low-velocity water fog N c. mixes with the burning fuel oil Y d. completely covers the top of the burning liquid 1378: The most effective cooling agent among those normally used to fight fires is __________.
Y a. water fog or spray N b. chemical foam N c. mechanical foam N d. carbon dioxide 1444: A stored-pressure water extinguisher is most effective against fires of class __________.
Y a. A N b. B N c. C N d. D 1457: When choosing extinguishers to fight a Class "B" fire do NOT use __________.
N a. carbon dioxide N b. dry chemical N c. foam (stored-pressure type) Y d. water (cartridge-operated) 1662: By regulation, your cargo vessel must have __________.
Y a. sufficient facilities for the crew to wash their clothes N b. a wash basin in each room N c. separate toilet facilities for engineers where their number exceeds six N d. All of the above 1687: The old sailors admonition "Beware the lee shore" warns of the danger due to __________.
N a. the wind blowing stronger at this location Y b. the ground swell making it difficult to tack off N c. the current flowing directly on shore N d. there being less wind in the lee of the shore 1722: Where are remote readouts for oxygen concentration, pressure, and temperature of an inert gas system required to be located?
N a. Bridge and engine control consoles N b. Bridge and tank(s) being inerted N c. Main deck and engine control consoles Y d. Cargo control and engine control consoles 1758: A flooded leg on a liftboat would adversely affect the vessel's stability underway by __________.
N a. increasing the righting moment N b. decreasing the vessel's displacement N c. increasing the reserve buoyancy Y d. shifting the CG (center of gravity) off center 1811: What should be your FIRST action if you discover a fire aboard ship?
Y a. Sound the alarm. N b. Attempt to put out the fire. N c. Confine it by closing doors, ports, vents, etc. N d. Call the Master. 1827: The helicopter deck on an offshore drilling unit is required to be fitted with perimeter lights in alternating colors of __________.
N a. red and white N b. yellow and white Y c. yellow and blue N d. yellow and red 1885: In the case of an injury causing a person to be incapacitated, the Master or person in charge of a mobile offshore drilling unit must submit a report to the __________.
Y a. nearest Marine Safety or Marine Inspection Office N b. nearest hospital N c. Department of Energy N d. American Bureau of Shipping 2457: What is a grooved pulley?
Y a. Sheave N b. Slip N c. Block N d. Reeve 2522: What best describes benzene?
N a. Clear colorless liquid with an acrid odor Y b. Clear colorless liquid with an aromatic odor N c. Brownish liquid, odorless N d. Brownish liquid, with an acrid odor 2621: The decks of a MODU are supported by transverse members called __________.
N a. trusses N b. deck longitudinals Y c. deck beams N d. web frames 2655: Support of MODU side plating is provided primarily by transverse __________.
N a. beams N b. girders Y c. frames N d. bulkheads 2656: How long must the GMDSS radio log be retained on board before sending it to the shoreside licensee?
N a. At least two years after the last entry N b. At least one year after the last entry N c. At least 90 days after the last entry Y d. At least 30 days after the last entry 2700: According to the regulations, what fire safety control feature is required in quick-closing shut off valves?
N a. Electrical cut off switch Y b. A fusible link N c. Manual cut off switch N d. A water spray actuator 2781: For a floating MODU, the center of flotation is the point in the waterplane __________.
Y a. about which the MODU lists and trims N b. which coincides with the center of buoyancy N c. which, in the absence of external forces, is always vertically aligned with the center of gravity N d. which is shown in the hydrostatic tables as VCB 3296: Which statement is TRUE concerning fuel vapors on a vessel?
Y a. Fuel vapors gather in the lowest portions of the vessel. N b. Fuel vapors can only be ignited by an open flame. N c. Vent outlets should be located above the level of the carburetor air intake. N d. None of the above 3343: The righting moment created by a MODU that displaces 15,000 tons with a righting arm (GZ) of 0.02 foot is __________.
N a. 3,000 foot-tons N b. 750 foot-tons N c. 600 foot-tons Y d. 300 foot-tons 3524: Each fireman's outfit and its spare equipment on a tankship must be stowed in a(n) __________.
N a. locked cabinet in the machinery space N b. unlocked cabinet in the machinery space Y c. separate and accessible location N d. location near a fire hydrant 3543: The DEEP DRILLER's lightweight is the condition prior to loading __________.
N a. deck load N b. deck load and lower-hull liquids N c. deck load, lower-hull liquids, and external loads Y d. deck load, lower-hull liquids, external loads, and deploying anchors 3627: The DEEP DRILLER is drilling on location at a 60 foot draft. Waves are approaching within 2 feet of the underside of the spider deck. You should __________.
Y a. suspend drilling operations and deballast to a 45 foot draft N b. continue drilling while ballasting to a 20 foot draft maximum air gap N c. deballast when the waves just begin to hit the underside of the spider deck N d. reduce tension on all anchor chains to increase draft 3669: The free surface correction depends upon the dimensions of the surface of the free liquid and the __________.
N a. volume of liquid in the tank Y b. displacement of the vessel N c. location of the tank in the vessel N d. height of the center of gravity of the vessel 3677: The DEEP DRILLER, while loaded as shown in the Sample Load Form #4 (Drilling), suffers damage to the starboard aft column below the waterline. Pumping from tanks 8S and 9S is not sufficient to prevent increasing starboard list and stern down trim. You should consider counterflooding in tank __________.
N a. 1S Y b. 1P N c. C2BP N d. 10P 3819: If there are a number of survivors in the water after abandoning an OSV and no rescue craft are in sight, they should __________.
N a. tie themselves to the unit to avoid drifting with the current Y b. group to form a small circle of survivors to create a warmer pocket of water in the center of the circle N c. send the strongest swimmer to shore for assistance N d. from a raft by lashing their life jackets together 3888: CATEGORY I EPIRB's transmit on frequencies that are monitored by __________.
Y a. orbiting satellites in space N b. commercial radio stations N c. private, commercial, and military aircraft N d. Both A & C 3993: The DEEP DRILLER is loaded as shown in Sample Load Form #4 (Drilling). What would be the new sum of longitudinal moments for the Stores & Supplies (Table 6) if paint weighing 3.48 tons is added to the paint locker?
N a. 5,996 foot-tons Y b. 1,688 foot-tons N c. 495 foot-tons N d. 115 foot-tons 4127: While loaded as shown in the DEEP DRILLER Sample Load Form #3 (Preparing to Drill), all of the casing is discharged. What is the change in LCG?
N a. 0.45 foot Y b. -0.45 foot N c. -1.78 feet N d. -2.68 feet 4453: When transferring survivors from a survival craft to a rescue vessel, personnel on board the craft should __________.
N a. remove their life preservers to make it easier to climb on board the rescue vessel N b. climb on top of the survival craft while waiting for their turn to transfer to the rescue vessel Y c. remain seated inside the survival craft and make the transfer one person at a time N d. enter the water and swim over to the rescue vessel 4513: When the COASTAL DRILLER is level at a draft of 10.5 feet, what is the value of the LCG?
N a. 00.0 feet N b. 111.35 feet Y c. 119.44 feet N d. 120.59 feet 4637: How much drill water should be transferred from tanks #23 and #24 to tank #1 to level the COASTAL DRILLER, in transit at a draft of 10 feet 6 inches, if the total longitudinal moments are 1,700,000 ft-kips?
N a. 438 kips Y b. 451 kips N c. 521 kips N d. 537 kips 4745: While loaded as shown in the COASTAL DRILLER sample load form #3 (drilling), all of the casing is discharged. What is the change in LCG?
N a. 1.98 feet forward N b. 1.95 feet forward Y c. 0.02 foot forward N d. 0.02 foot aft 4777: The COASTAL DRILLER is loaded as shown in the Sample Load Form #1 (Rig Move). While in field transit, the wind speeds are predicted to increase above 70 knots. What would be the new KGL if the legs are lowered to the recommended value?
N a. 50.65 feet Y b. 37.00 feet N c. 36.53 feet N d. 13.65 feet 5417: The COASTAL DRILLER, loaded as shown in the Sample Load Form #3 (Drilling), discharges the bulk in Bulk Tanks 1 and 2. What is the new LCG?
Y a. 124.97 feet AFO N b. 125.09 feet AFO N c. 127.70 feet AFO N d. 130.42 feet AFO 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. 5615: Structural stress levels in a MODU are the sum of loading stresses and stresses due to __________.
Y a. environmental loads N b. variable loads N c. ballast loading N d. mooring loads 5708: On a vessel of 6500 tons displacement, a tank 30 ft. long, 32 ft. wide and 18 ft. deep is half filled with liquid cargo (S.G. 1.048) while the vessel is floating in saltwater (S.G. 1.026). What is the free surface constant for this tank?
N a. 1152 N b. 1336 Y c. 2390 N d. 2731 5751: When piggybacking anchors, the distance between the primary anchor and the secondary anchor is determined by __________.
N a. bottom conditions N b. anchor types Y c. water depth N d. workboat winch capacity 7645: What abbreviation represents the height of the center of buoyancy?
N a. BK Y b. KB N c. CB N d. BM 7786: The straight stream capability of an all-purpose nozzle is used in fighting a class A fire to __________.
N a. shield fire fighters from radiant heat Y b. break up burning material N c. get the most water possible on the fire N d. drive heat and smoke ahead of the fire fighters 8073: A person who holds a foreign license can serve as the ballast control operator to meet manning requirements on a MODU on waters outside U.S. jurisdiction until the __________.
N a. MODU's contract is completed N b. Certificate of Inspection is renewed Y c. MODU returns to a U.S. port N d. Operations Manual is revised 8663: While the DEEP DRILLER is operating as shown in Sample Load Form #4 (Drilling), casing is accidentally dropped over the starboard side. If the starboard forward inclination is slowly increasing, which tank is probably damaged?
Y a. 1S N b. 2S N c. 3S N d. 1P 8705: The DEEP DRILLER is loaded as shown in Sample Load Form #5 (Survival). While the unit is deballasting, starboard valve 5 fails in the closed position. You may deballast from tank 2S by pumping from tank 1S after opening valves 6 and __________.
N a. 8 N b. 7 Y c. 2 N d. 1 8711: Starboard ballast pump #1 on the DEEP DRILLER has failed. If you want to deballast from the forward-starboard column using starboard pump #2, it is necessary to open valves __________.
Y a. 3, 34, 35, 36, 46, and 48 N b. 4, 34, 35, 36, 46, and 48 N c. 3, 34, 36, 46, and 48 N d. 4, 34, 36, 46, and 48 8849: What is the minimum number of bolts required in a permanently bolted flange oil hose coupling?
N a. 3 N b. 4 N c. 6 Y d. A bolt must be used in every hole. 9301: The DEEP DRILLER is loaded as shown in the Sample Load Form #1 (Transit). Weather conditions require ballasting to survival draft. Assume that 4087 long tons of ballast are added at an average VCG of 8.32 feet. What would be the value of uncorrected KG?
Y a. 51.65 feet N b. 52.67 feet N c. 55.15 feet N d. 62.24 feet 9477: The water in which a vessel floats provides vertical upward support. The point through which this support is assumed to act is known as the center of __________.
N a. effort N b. flotation N c. gravity Y d. buoyancy