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.
47: What is used to test a tank for oxygen content?
N a. Combustible gas indicator N b. Vapor indicator N c. Atmosphere analyzer kit Y d. None of the above 219: For the purposes of the International Rules of the Road, a non-self-propelled mobile offshore drilling unit under tow is considered to be a __________.
N a. non-displacement vessel N b. limited vessel N c. power-driven vessel Y d. vessel 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 359: A vessel is floating in saltwater at a mean draft of 14 feet. The length of the vessel is 450 feet, beam 50 feet, TPI 45. The BM is 16.34 feet. What is the vessel's displacement in tons?
N a. 4,500 tons Y b. 6,000 tons N c. 7,560 tons N d. 7,900 tons 444: A call between any two ship stations on an intership working frequency shall have a maximum duration of __________.
N a. 2 minutes Y b. 3 minutes N c. 4 minutes N d. 5 minutes 472: When the handle of an all-purpose nozzle is pulled all the way back, it will __________.
N a. produce high-velocity fog N b. produce low-velocity fog Y c. produce a straight stream N d. shut off the water 517: The VHF radiotelephone calling/safety/distress frequency is __________.
Y a. 156.8 MHz (channel 16) N b. 156.7 MHz (channel 14) N c. 156.65 MHz (channel 13) N d. 156.6 MHz (channel 12) 732: Which statement(s) is(are) TRUE concerning the use of dry chemical extinguishers?
Y a. You should direct the spray at the base of the fire. N b. You should direct the spray directly into the fire. N c. You should direct the spray at a vertical bulkhead and allow it to flow over the fire. N d. All of the above 874: If you were being assisted by an icebreaker and he sent you the single letter "Q", he would be telling you __________.
N a. that he has his engines in reverse N b. that he is shortening the distance between vessels Y c. to shorten the distance between vessels N d. that his vessel is healthy 959: You are on a supply run to an offshore drilling rig. On board is the cargo listed. What is the height above the main deck of the center of gravity of the cargo? ST-0020
N a. 2.32 feet N b. 2.21 feet Y c. 1.97 feet N d. 1.76 feet 1042: Which danger exists to people when CO2 is discharged into a small enclosed space?
N a. Damaged eardrums N b. Electric shock N c. Frostbite Y d. Respiratory arrest 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 1336: 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 1351: While operating off the coast of Greece, a seaman is injured. What indicator should be in the preamble of a radio telegram asking for medical advice from a Greek station?
Y a. RADIO MEDICAL N b. DH MEDICO N c. MEDICO ELLAS N d. MAYDAY 1473: You are in a lifeboat when you sight the stars as shown. You will be heading due north when you head for Polaris which is indicated by which letter? (D005SA )
N a. A N b. B N c. D Y d. E 1489: The boat command that means complete the stroke and level the oars horizontally with the blades trimmed fore and aft is __________.
Y a. "Oars" N b. "Up oars" N c. "Way enough" N d. "Hold water" 1518: You are approaching another vessel and see that she has the signal flag "J" hoisted. What should you do?
Y a. Keep well clear of the vessel because she is on fire and has dangerous cargo on board or she is leaking dangerous cargo. N b. Attempt to call the vessel on VHF radiotelephone because she is requesting to communicate. N c. Approach the vessel with caution because she is dragging her anchor. N d. Proceed on present course and speed since the vessel is requesting a tug. 1615: When administering artificial respiration, it is MOST important to __________.
N a. monitor blood pressure Y b. clear airways N c. use the rhythmic pressure method N d. know all approved methods 1820: Your voyage planning indicates you will arrive at a waypoint in longitude 49°16.3'E at 0947 ZT on 3 March 1988. How should this date be entered into an AMVER report?
N a. 030947C MAR N b. 03094703 N c. 06470303Z Y d. 030647Z MAR 1909: On a passenger vessel, the vessel's name must appear on __________.
N a. ring life buoy N b. lifeboats N c. lifeboat oars Y d. All of the above 2093: The davit launched liferaft can be boarded __________.
N a. from the water only Y b. at the deck N c. by jumping down onto it N d. through the escape tube 2106: In special cases, the Commandant of the Coast Guard may permit cargo piping to pass through machinery spaces, provided that the only cargo carried through such piping is(are) __________.
N a. grades A or B N b. grades D or E Y c. grade E N d. LFG 2247: When a rescue vessel approaches a survival craft in heavy seas, the person in charge of the survival craft should __________.
N a. tie up to the rescue vessel N b. transfer only those personnel who are not seasick Y c. wait for calmer weather before transferring personnel N d. transfer all personnel immediately 2259: Use the material in Section 1, the blue pages, of the Stability Data Reference Book. If the KG is 24.2 feet, and the drafts are: FWD 22'-04", AFT 23'-00"; at what angle will the vessel lose positive stability?
N a. 72° Y b. 78° N c. 86° N d. 92° 2423: A large valve, usually installed above the ram preventers, that forms a seal in the annular space between the pipe and wellbore or, if no pipe is present, on the wellbore itself is called the __________.
Y a. annular blowout preventer N b. annulus N c. accumulator N d. automatic choke 2538: According to the Chemical Data Guide, fuel oil number 6 has a flash point (degrees F) of __________.
N a. 65 N b. 80 - 100 N c. 110 - 140 Y d. 150 - 430(cc) 2689: A vessel with a large GM will __________.
Y a. have more resistance to listing in case of damage N b. have less tendency to have synchronous rolling N c. be less likely to have cargo shift N d. ride more comfortably 2689: A vessel with a large GM will __________.
Y a. have more resistance to listing in case of damage N b. have less tendency to have synchronous rolling N c. be less likely to have cargo shift N d. ride more comfortably 2720: To determine the pressure and temperature limitations under which LFG is required to be transported on a barge, you should look at the __________.
Y a. Certificate of Inspection N b. loading order N c. rules and regulations for tank vessels N d. tankerman's document 2739: Your vessel's drafts are: FWD 19'-03", AFT 21'-03". The LCG of the forepeak is 200 feet forward of amidships. How many tons of ballast must be pumped into the forepeak in order to have a drag of 18 inches? (Use the reference material in Section 1, the blue pages, of the Stability Data Reference Book)
N a. 27 tons Y b. 31 tons N c. 34 tons N d. 37 tons 2771: The angle to which a floating MODU, with a negative initial metacentric height, lies while at rest in still water is the angle of __________.
N a. trim N b. yaw N c. heel Y d. loll 2906: Which vessel must carry a compass on board? (small passenger vessel regulations)
N a. A non-self-propelled vessel N b. A vessel operating in protected waters with a short restricted route N c. A vessel operating on the Ohio River Y d. A vessel operating on the Gulf of Mexico 2938: What equipment must be on a life float? (small passenger vessel regulations)
Y a. Two paddles, a light, painter, lifeline and pendants N b. Water-light, painter, and signal mirror N c. Water-light and painter only N d. Two paddles, painter, and six red flares 3012: You are on the cargo vessel represented in the blue pages of the Stability Data Reference Book. Your present KG is 22.3 feet and the drafts are FWD 21'-07", AFT 22'-05". The following cargo must be loaded: (1) 1120 tons, KG 33 feet; (2) 990 tons, KG 25 feet. How many tons of deck cargo with a KG of 47 feet may be loaded if the ship is to sail with a GM of not less than 2.1 feet and not exceed the freeboard draft?
N a. 0 tons Y b. 60 tons N c. 103 tons N d. 149 tons 3145: The DEEP DRILLER, while loaded as shown in the Sample Load Form #4 (Drilling), suffers damage to the port forward column below the waterline. You should pump from tank __________.
N a. C1P N b. 8P Y c. 1P N d. 2S 3305: The height of the transverse metacenter for a MODU is 62.44 feet. The height of the center of gravity is 56.10 feet, and the transverse free surface correction is 1.21 feet. What is the value of the metacentric height corrected for transverse free surface effects?
Y a. 5.13 feet N b. 6.34 feet N c. 8.76 feet N d. 12.10 feet 3370: The carbon dioxide cylinders of all fixed fire extinguishing systems shall be retested and remarked whenever a cylinder remains in place on a vessel for __________. (small passenger vessel regulations)
N a. 5 years from the latest test date stamped on the cylinder N b. 7 years from the latest test date stamped on the cylinder N c. 10 years from the latest test date stamped on the cylinder Y d. 12 years from the latest test date stamped on the cylinder 3579: Using the Guidance Manual for Loading the M.V. Grand Haven, determine the amount of ballast required in tank No. 3 (P & S) to maintain drafts of 17'-00" forward and 22'-06" aft for a vessel loaded with grain which has a test weight of 34 lbs.
N a. 1150 tons each N b. 1180 tons each Y c. 1220 tons each N d. 1250 tons each 3661: Under ideal conditions, the DEEP DRILLER can pick up and place pipe in the rack at a rate of about __________.
N a. 600 feet per hour N b. 800 feet per hour Y c. 1,000 feet per hour N d. 1,200 feet per hour 3685: While drilling loaded as shown in Sample Load Form #4 (Drilling), the DEEP DRILLER suffers an unexpected but slowly increasing starboard and aft inclination. The wind and waves are light. This inclination could have been caused by __________.
N a. the failure of mooring lines 6 and 7 N b. the drilling crew dumping the mud N c. the drill string breaking Y d. ballast tanks equalizing into tank 10S 3745: In reviving a person who has been overcome by gas fumes, what would you AVOID doing?
Y a. Giving stimulants N b. Prompt removal of the patient from the suffocating atmosphere N c. Applying artificial respiration and massage N d. Keeping the patient warm and comfortable 3771: What is the decrease in longitudinal moments for the Deep Driller if 2.0 feet of ballast is transferred from 1S to 10P?
N a. 15,265 ft-tons Y b. 14,609 ft-tons N c. 7,293 ft-tons N d. 5,174 ft-tons 3840: The painter of the inflatable liferaft has a length of __________.
N a. 25 feet Y b. 100 feet N c. 200 feet N d. 400 feet 4155: The DEEP DRILLER is loaded as shown in the sample Load Form #3 (Preparing to Drill). If the liquid mud in mud pit #4 (see table 8) is dumped, what would be the new uncorrected height of the center of gravity?
N a. 50.72 feet N b. 51.25 feet Y c. 51.87 feet N d. 53.22 feet 4295: The COASTAL DRILLER, in transit with winds expected to exceed 70 knots, must lower the legs so that the can tips are __________.
Y a. 60.5 feet below the hull N b. 48.5 feet below the hull N c. 11.6 feet below the hull N d. 1.2 feet below the hull 4301: When leveling the elevated COASTAL DRILLER, you may raise the low corner instead of lowering the high corner __________.
N a. in all cases, it is optional Y b. if lowering the high corner places the unit in the wave action N c. if proper air gap has been exceeded N d. if a potential punch-through threatens 5098: The SS AMERICAN MARINER is ready to bunker with drafts of FWD 20'-04", AFT 23'-06". After all bunkers are on board, soundings indicate the tonnages shown. Use the white pages of The Stability Data Reference Book to determine the free surface correction. ST-0172
N a. 0.62 foot Y b. 0.80 foot N c. 0.85 foot N d. 0.99 foot 5125: A MODU with the TCG off the longitudinal centerline inclines to an angle of __________.
Y a. list N b. heel N c. trim N d. loll 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 5551: Anchor shackles should have a breaking strength that is __________.
Y a. equal to the chains they are connecting N b. 25% more than the chains they are connecting N c. 50% more than the chains they are connecting N d. 100% more than the chains they are connecting 5914: On a vessel of 6500 tons displacement, a tank 35 ft. long, 25 ft. wide, and 8 ft. deep is half filled with liquid cargo (S.G. 1.053) while the vessel is floating in saltwater (S.G. 1.026). What is the free surface constant for this tank?
N a. 1152 Y b. 1336 N c. 1371 N d. 16,036 6246: The ventilation system of your ship has fire dampers restrained by fusible links. Which statement is TRUE?
N a. A fusible link will automatically open after a fire is extinguished and reset the damper. N b. Fusible links must be replaced at every inspection for certification. Y c. Fusible links must be replaced if a damper is activated. N d. Fusible links are tested by applying a source of heat to them. 6665: On a MODU, a cabinet or space containing the controls or valves for the fixed firefighting system must be __________.
Y a. posted with instructions on the operation of the system N b. ventilated and equipped with explosion-proof switches N c. painted with red and black diagonal stripes N d. equipped with a battery powered source of emergency lighting 6858: A hydraulic accumulator is designed to __________.
Y a. store fluid under pressure N b. act as a fluid reservoir N c. provide overpressure relief N d. replenish fluid to a system 7351: The range of a SSB transmission is MOST affected by __________.
N a. atmospheric noise and radiated power Y b. the frequency band selected and time of day or night N c. interference and position of the moon N d. radiated power and nearness to shore 7655: In small angle stability, the metacentric height __________.
N a. is found in the hydrostatic tables for a level vessel N b. multiplied by the displacement yields the righting moment N c. is always positive Y d. is calculated by subtracting KG from KM 8693: While in transit at a draft of 20.5 feet, the DEEP DRILLER has a KGT of 65.00 feet. What is the GMT?
Y a. 7.55 feet N b. 5.42 feet N c. 5.30 feet N d. 5.10 feet 9363: The primary function(s) of an automatic sprinkler system is(are) to __________.
N a. extinguish the fire which triggers it Y b. limit the spread of fire and control the amount of heat produced N c. protect people in the areas which have sprinkler heads N d. alert the crew to the fire 9391: Once you have established the daily ration of drinking water in a survival situation, how should you drink it?
N a. Small sips at regular intervals during the day N b. The complete daily ration at one time during the day Y c. One-third the daily ration three times daily N d. Small sips only after sunset 9493: On a vessel, multiplying a load's weight by the distance of the load's center of gravity above the baseline results in a(n) __________.
N a. transverse moment Y b. vertical moment N c. righting moment N d. inclining moment