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.
282: The difference in water spray pattern between the high-velocity tip and low-velocity applicator used with the all-purpose nozzle is due to __________.
N a. a difference in water pressure Y b. the method of breaking up the water stream N c. the length of the applicator N d. All of the above 308: A person being treated for shock should be wrapped in warm coverings to __________.
N a. increase body heat Y b. preserve body heat N c. avoid self-inflicted wounds caused by spastic movement N d. protect the person from injury during transportation 323: You must make a written application to obtain or renew your "T" boat's Certificate of Inspection __________.
N a. on form CG-835 N b. at the shipyard where you are hauled out Y c. on form CG-3752 N d. every time your boat is hauled out 362: Water fog from an all-purpose nozzle may be used to __________.
N a. fight an electrical fire N b. fight a magnesium fire Y c. eliminate smoke from a compartment N d. All of the above 521: On a vessel of 6,000 tons displacement there are two slack tanks of carbon tetrachloride (SG 1.6). Each tank is 40 feet long and 25 feet wide. What is the reduction in metacentric height due to free surface with the vessel in sea water (SG 1.025)?
N a. .39 ft Y b. .77 ft N c. .88 ft N d. .95 ft 570: On a vessel of 5,000 tons displacement there are two slack tanks of acid (SG 1.8). Each tank is 30 feet long and 20 feet wide. What is the reduction in metacentric height due to free surface with the vessel in sea water (SG 1.025)?
N a. .11 ft N b. .21 ft Y c. .40 ft N d. .82 ft 722: The SS AMERICAN MARINER will sail with the load shown. Use the white pages of The Stability Data Reference Book to determine the drafts. ST-0016
N a. FWD 23'-03", AFT 27'-00" Y b. FWD 23'-07", AFT 26'-07" N c. FWD 24'-01", AFT 26'-02" N d. FWD 24'-06", AFT 25'-10" 743: In order for the automatic lifeboat drain to operate properly __________.
N a. the cap should be removed to drain the boat when it is waterborne Y b. the cage must be free of rubbish or the ball may not seat properly N c. there is an automatic ball check located in a siphon tube N d. the small lever to release the rubber ball float must be turned counterclockwise 749: Small passenger vessels on rivers routes in cold water must be provided with life floats of an aggregate capacity to accommodate __________.
Y a. at least 50% of all persons on board or meet certain construction standards N b. 100% of the crew and 50% of all passengers allowed to be carried N c. not less than 50% of all passengers on board at the time N d. All persons on board (100% of all passengers and crew) 900: All of the following can be determined by use of a stabilogauge EXCEPT __________.
N a. mean draft Y b. trim N c. displacement N d. deadweight 1188: The most effective way to apply a foam stream if the fire is on deck or is a running fire, is to direct the stream __________.
N a. onto the surface of the burning liquid Y b. ahead of the burning liquid and bounce it on the fire N c. at the base of the burning liquid in a sweeping motion N d. just above the surface of the burning liquid 1295: If you must land on a beach with an oar-propelled lifeboat through a heavy surf, the recommended method is to __________.
N a. keep the bow directly in toward the beach, and tow the sea anchor off the stern N b. ride in on the back of a large breaker Y c. keep the bow into the seas with the sea anchor out over the bow, and row to meet the breaking waves N d. head directly into the beach by staying between the crests of the waves 1300: Blocks and falls used as lifeboat gear must be designed with a minimum safety factor of __________.
N a. 4, based on the breaking strength N b. 5, based on the maximum allowable stress Y c. 6, based on the maximum working load N d. 8, based on the normal working load 1329: The sprinkler system of an enclosed lifeboat is used to __________.
Y a. cool the craft in a fire N b. cool the engine N c. spray oil on the sea to calm it N d. spray personnel during a fire 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) 1534: Which statement is TRUE?
Y a. You must keep a record of garbage discharged in port to a shore facility. N b. You need not keep a record of dumping ground garbage in to the sea more than 25 miles offshore. N c. You must keep a record of the approximate weight of the garbage dumped. N d. You need not keep a record of garbage incinerated on the ship. 1740: Tank vessel inerting refers to __________.
N a. the introduction of inert gas into a tank with the object of reducing the oxygen content to below 8% by volume N b. the introduction of inert gas into a gas free tank for the purpose of reducing the oxygen content to below 8% by volume N c. the introduction of inert gas into a cargo tank during cargo discharge to replace the volume of discharged cargo Y d. All of the above 1817: Offshore drilling units that carry twelve or more persons on a voyage of more than three days must have a __________.
N a. recreation room N b. radar room Y c. hospital space N d. navigation space 1889: How can rescue personnel detect that a SART is transmitting in the immediate vicinity?
Y a. The SART's blips on the PPI will become arcs and eventually become concentric circles. N b. The DSC unit will react to the SART's signal and respond with the two-tone alarm. N c. The SART can provide an approximate location to within a two nautical mile radius, per IMO standards. N d. The SART signal appears as a target which comes and goes; the effect of heavy swells on a SART. 1906: Your vessel displaces 930 tons and measures 156'L by 38'B. What is the reduction in GM due to free surface if the fish hold (46'L by 28'B by 8'D) is filled with 1.5 feet of water? (Each foot of water weighs 36.8 tons)
N a. 2.16 feet Y b. 2.44 feet N c. 2.75 feet N d. 2.99 feet 1913: The SS AMERICAN MARINER has the following drafts: FWD 8'-04", AFT 15'-08". Upon completion of loading and bunkering the items listed will be on board. Use the white pages of The Stability Data Reference Book to determine the minimum GM required to meet a one compartment standard. ST-0047
Y a. 1.77 feet N b. 1.91 feet N c. 2.09 feet N d. 2.21 feet 1974: When experiencing heavy winds, you should reef sails to __________.
N a. bring the sails parallel to the wind Y b. reduce sail area exposed to the wind N c. allow the sails to catch more wind N d. remove all tension on the main and jib sheets 1980: What product is considered a noxious liquid substance for regulatory purposes?
N a. Dodecyl methacrylate N b. Asphalt N c. Camphor oil Y d. Latex 2072: By regulation, cargo tank atmosphere must be inert before and during which operation?
N a. stripping N b. topping off N c. gravitating Y d. All of the above 2080: You have 260 tons of below deck tonnage including liquid mud. Your existing deck cargo is 150 tons with a VCG above the deck of 2.2 feet. What is the maximum additional cargo tonnage you are permitted to load? (See illustration D036DG, stability letter for M.V. Hudson.) (D036DG )
N a. 110 tons N b. 140 tons N c. 180 tons Y d. 210 tons 2159: Your vessel displaces 528 tons. The existing cargo has a center of gravity of 2.9 feet above the deck and weighs 28 tons. If you load 14 tons of ground tackle with an estimated center of gravity of 9 inches above the deck, what is the final height of the CG of the deck cargo?
N a. 1.76 feet N b. 1.93 feet Y c. 2.18 feet N d. 2.43 feet 2160: You have approximately 29 tons of fish on deck. What will be the shift in the center of gravity after you shift the fish to the fish hold, a vertical distance of 5 feet? (total displacement is 483 tons)
Y a. 0.3 foot N b. 0.4 foot N c. 0.5 foot N d. 0.6 foot 2237: Topside icing decreases vessel stability because it increases __________.
N a. displacement N b. free surface N c. draft Y d. KG 2281: When retrieving the survival craft, the winch operator should stop the winch and check __________.
N a. that all personnel are seated in the craft Y b. that the cable has not jumped any grooves on the drum N c. which way the wind is blowing N d. the hydraulic fluid level before lifting 2350: What is NOT required of the cargo tank venting on a tank barge carrying grade A liquids?
N a. Each cargo tank must have a vent. N b. A vent header must be fitted with a pressure-vacuum valve. Y c. The diameter of the vent must be greater than 4 inches in diameter. N d. The vent must extend to a reasonable height above the weather deck. 2389: The best way to test the INMARSAT-C terminal is to __________.
N a. send a message to a shore terminal and wait for confirmation Y b. compose and send a brief message to your own INMARSAT-C terminal N c. send a message to another ship terminal N d. see if the send light flashes, then proper operation has been confirmed 2508: What is the TLV of cyclohexanol?
N a. 20 ppm N b. 30 ppm N c. 40 ppm Y d. 50 ppm 2640: What is NOT a grade E product?
N a. Dioctyl-phthalate Y b. Gasoline N c. Formic acid N d. Creosote coal tar 2723: The prohibition against exceeding the load line draft may be considered temporarily not applicable when __________.
N a. column-stabilized units are operating in water depths over 600 feet N b. column-stabilized units are operating in waters outside U.S. jurisdiction Y c. bottom supported units are being raised or lowered to the sea bed N d. bottom supported units are being towed on a move of less than 12 hours 2729: You are approaching another vessel and see that it has the signal flag "O" hoisted. What is your next action?
N a. Proceed on present course and speed since the vessel is requesting a pilot. Y b. Attempt to call the vessel on VHF radiotelephone and begin a search because the vessel has a man overboard. N c. Attempt to call the vessel on VHF radiotelephone because it is disabled. N d. Approach with caution because the vessel is stopped and making no way through the water. 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 2845: The SS AMERICAN MARINER will sail with the load shown. Use the white pages of The Stability Data Reference Book to determine the drafts. ST-0084
N a. FWD 27'-01", AFT 25'-08" N b. FWD 29'-09", AFT 25'-09" N c. FWD 25'-09", AFT 30'-05" Y d. FWD 25'-06", AFT 30'-00" 2946: Your vessel's drafts are: FWD 17'-09", AFT 18'-03"; and the KG is 22.4 feet. Use the selected stability curves in the blue pages of the Stability Data Reference Book to determine the angle of list if the center of gravity is shifted 1.5 feet off the centerline.
N a. 14° N b. 18° Y c. 22° N d. 26° 3171: Automatic fire dampers in ventilation systems are operated by use of __________.
Y a. fusible links N b. remotely operated valves N c. C02 system pressure switches N d. heat or smoke detectors 3295: A semisubmersible floating in sea water displaces 20,000 long tons. She has vertical moments of 1,000,000 foot-long tons. What is the new KG if 300 long tons are added at a VCG of 50 feet?
N a. 49.2 feet Y b. 50.0 feet N c. 50.8 feet N d. 57.5 feet 3416: The instructions for the launching of lifeboats and liferafts must be approved by the __________.
N a. lease operator N b. Minerals Management Service Y c. Coast Guard N d. person-in-charge of the unit 3443: The DEEP DRILLER, at a draft of 60 feet, has a KGT of 57.11 feet and TCG of 0.5 foot to port. What is the list angle?
N a. 2° port N b. 3° port N c. 4° port Y d. 5° port 3541: The DEEP DRILLER as currently configured is limited to a maximum drilling depth of __________.
N a. 18,400 feet N b. 20,600 feet N c. 22,800 feet Y d. 25,000 feet 3546: According to the regulations for passenger vessels, a "motor vessel" is one which is propelled by machinery other than steam and is more than __________.
N a. 16 ft. in length N b. 34 ft. in length N c. 45 ft. in length Y d. 65 ft. in length 3647: A distress signal __________.
N a. consists of 5 or more short blasts of the fog signal apparatus N b. consists of the raising and lowering of a large white flag Y c. may be used individually or in conjunction with other distress signals N d. is used to indicate doubt about another vessel's intentions 3717: During the passage of a severe storm, the DEEP DRILLER is at survival draft. Strong winds are blowing from the starboard. A careful load form calculation determined that, although the unit is level, the TCG is 2.0 feet to starboard. The value of the wind heeling moment is __________.
N a. 40,402 ft-long tons Y b. 32,099 ft-long tons N c. 21,343 ft-long tons N d. 19,982 ft-long tons 3734: Which procedure should be followed when individuals are rescued in cold climates and suffer from hypothermia?
N a. Give them brandy or other alcoholic stimulation to promote a return to an acceptable body temperature. Y b. Move them to a warm room to gradually raise their body temperature. N c. Keep them moving to stimulate circulation to raise their body temperature. N d. Warm them under an electric blanket to rapidly regain normal body temperature. 3871: On the DEEP DRILLER, among the port-side valves to open when deballasting from ballast tank 2P is valve __________.
N a. 3 Y b. 5 N c. 6 N d. 7 3973: What are the additional vertical moments created when P-tank #4 in the DEEP DRILLER sample load form #1 (Transit) is completely filled?
N a. 2,252 foot-tons Y b. 9,413 foot-tons N c. 11,665 foot-tons N d. 13,917 foot-tons 3973: What are the additional vertical moments created when P-tank #4 in the DEEP DRILLER sample load form #1 (Transit) is completely filled?
N a. 2,252 foot-tons Y b. 9,413 foot-tons N c. 11,665 foot-tons N d. 13,917 foot-tons 4110: As Master of an inspected small passenger vessel, you have a question regarding a proposed modification to a watertight bulkhead. In which subchapter of title 46 of the Code of Federal Regulations would you find the answer?
N a. Subchapter W Y b. Subchapter T N c. Subchapter I N d. Subchapter E 4281: The maximum allowable KG for the COASTAL DRILLER in normal transit at a draft of 10.5 feet is __________.
N a. 40 feet N b. 45 feet N c. 55 feet Y d. 65 feet 4647: What is the increase in transverse moments for the Coastal Driller if 2.0 feet of drill water is transferred from a full drill water tank #23 to an empty drill water tank #6?
Y a. 4783 foot-kips N b. 3446 foot-kips N c. 2109 foot-kips N d. 1234 foot-kips 4683: What is the change in longitudinal moments for the Coastal Driller if 2.5 feet of drill water is discharged from drill water tank #23?
N a. 1,671 ft-kips N b. -161 ft-kips N c. -4,708 ft-kips Y d. -20,052 ft-kips 6715: The person in charge shall insure that each lifeboat on a MODU is lowered to the water, launched, and operated at least once every __________.
N a. month N b. 2 months Y c. 3 months N d. 6 months 6724: In a water tube marine boiler, what protects the superheater tubes from the fires of combustion?
N a. Water-wall tubes N b. Downcomers Y c. Screen tubes N d. Water drums 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 7845: When the bypass valve of a self-contained breathing device is opened, the air flows __________.
Y a. directly to the facepiece N b. directly to the air supply bottle N c. through the regulator N d. from the bottle into the atmosphere 8877: The DEEP DRILLER is loaded as shown in the Sample Load Form #1 (Transit). Severe motion makes it necessary to ballast down to survival draft. It is decided to check 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 GML?
N a. 6.23 feet N b. 5.11 feet N c. 4.86 feet Y d. 4.06 feet 9567: The correction to KG for transverse free surface effects may be found by dividing the vessel's displacement into the __________.
N a. transverse free surface correction for the vessel N b. sum of the vertical moments of the vessel Y c. sum of the transverse free surface moments of the vessel N d. transverse baseline of the vessel