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.
29: In order to discharge a CO2 portable fire extinguisher, the operator must FIRST __________.
N a. invert the CO2 extinguisher N b. squeeze the two trigger handles together Y c. remove the locking pin N d. open the discharge valve 39: A flame screen __________.
Y a. permits the passage of vapor but not of flame N b. prevents the passage of flammable vapors N c. prevents inert gas from leaving a tank N d. permits vapors to exit but not enter a tank 46: The required number and type of hand portable fire extinguishers to be carried in the vicinity of the radio room exit for a tank vessel on an international voyage is one __________.
N a. B-I N b. B-II N c. C-I Y d. C-II 75: If you must abandon a rig in VERY HEAVY SEAS, in a survival craft, when should you remove the safety pin and pull the hook release?
Y a. Immediately upon launching N b. One to three feet before first wave contact N c. Upon first wave contact N d. Only when waterborne 233: Most enclosed lifeboats will right themselves after capsizing IF the __________.
N a. lower ballast tanks are filled with water N b. fuel tanks are not less than half full Y c. passengers are strapped to their seats N d. sea anchor is deployed to windward 510: A new crew member aboard your fishing vessel, who has not received any safety instructions or participated in any drills, reports on board. The Master must provide a safety orientation __________.
N a. within one week N b. within 24 hours N c. on reporting day if it occurs within normal work hours Y d. before sailing 543: Aluminum lifeboats are subject to damage by electrolytic corrosion (the aluminum being eaten away). In working around boats of aluminum you must be very careful __________.
N a. to keep the boats covered at all times Y b. not to leave steel or iron tools lying in or near these boats N c. to keep an electric charge on the hull at all times N d. to rinse these boats regularly with salt water 699: What is the minimum length of a life floats paddle on a small passenger vessel?
N a. Three feet Y b. Four feet N c. Five feet N d. Six feet 731: If Annex V to MARPOL 73/78 applies to your vessel, you will not be able to discharge __________ anywhere at sea.
Y a. plastic N b. metal N c. glass N d. paper 774: If you send a flag hoist of MAJ 8, what information are you conveying?
N a. The least depth of water in the channel is 8 meters. N b. Derelict dangerous to navigation to the north. N c. Navigation is closed. You should navigate with caution. Y d. I have a male age 8 years. 790: Which would NOT provide extra buoyancy for a vessel with no sheer?
N a. Lighter draft N b. Raised fo'c'sle head N c. Raised poop Y d. Higher bulwark 831: The spread of fire is prevented by __________.
N a. heating surfaces adjacent to the fire N b. leaving combustibles in the endangered area Y c. shutting off the oxygen supply N d. All of the above 931: The major cause of shock in burn victims is the __________.
N a. high level of pain N b. emotional stress N c. increase in body temperature and pulse rate Y d. massive loss of fluid through the burned area 971: When should you first have any food or water after boarding a lifeboat or liferaft?
N a. After 12 hours Y b. After 24 hours N c. Within 48 hours N d. Some food and water should be consumed immediately and then not until 48 hours later 1016: What is the maximum length of time that distress flares are approved for?
N a. 1 and 1/2 years N b. 2 years Y c. 3 and 1/2 years N d. 5 years 1032: When used to fight fire, carbon dioxide __________.
Y a. is effective if used promptly on an oil fire N b. has a greater cooling effect than water N c. is lighter than air N d. is harmless to cargo and crew 1273: In launching a covered lifeboat, what would safely lower the lifeboat from inside the lifeboat cabin?
N a. Frapping line N b. Tricing line N c. Rottmer release Y d. Winch remote control wire 1283: The liquid-filled PV breaker has acted to relieve a vacuum in a tank. What action must be taken in regards to the PV-breaker before continuing operations?
N a. Check to make certain that it has reset itself. Y b. Refill the breaker with liquid. N c. Manually reset the vacuum side of the breaker. N d. Install a new rupture disc. 1356: What is placed on the under side of an inflatable liferaft to help prevent it from being skidded by the wind or overturned?
Y a. Water pockets N b. A keel N c. Strikes N d. Sea anchor 1517: A double male coupling is one that __________.
N a. has left hand twist N b. has inside threads on both ends Y c. has outside threads on both ends N d. takes two men to operate 1653: Before operating a non-oceangoing ship greater than 100 gross tons it must have a fixed piping system to discharge oily mixtures ashore. This system must include __________.
N a. approved oil-water separating equipment N b. a fixed or portable containment system at the shore connection N c. a spare pump in case the main pump is inoperative Y d. at least one outlet accessible from the weather deck 1799: Each inert gas system gas main must have an automatic shut down valve at the outlet of the gas production plant. This valve must close automatically upon __________.
N a. cargo pump failure Y b. blower failure N c. deck seal low water level N d. low inert gas temperature 1852: The liquid mud tanks on your vessel measure 32'L by 15'B by 8'D. The vessel's displacement is 640 tons and the specific gravity of the mud is 1.8. What is the reduction in GM due to 2 of these tanks being slack?
N a. 0.74 foot N b. 1.24 feet Y c. 1.41 feet N d. 1.66 feet 1908: Your vessel displaces 750 tons and measures 151'L by 35'B. What is the reduction in GM due to free surface if the fish hold (60'L by 31'B by 10'D) is filled with 3.5 feet of water? (Each foot of water weighs 53.1 tons)
N a. 4.14 feet N b. 4.38 feet Y c. 4.55 feet N d. 4.94 feet 2244: According to the Chemical Data Guide, the flash point for the grade B flammable liquid piperylene is __________.
Y a. -20°F N b. 43°C N c. 108°F N d. not available 2262: What is the Vapor pressure of ethylene oxide at 46 °C?
N a. 10.9 (psia) N b. 38.5 (psia) Y c. 48.0 (psia) N d. 15.2 (psia) 2387: A magnetic compass card is marked in how many degrees?
N a. 90 N b. 180 Y c. 360 N d. 400 2459: A virtual rise in the center of gravity may be caused by __________.
N a. filling a partially filled tank Y b. using fuel from a pressed fuel tank N c. emptying a partially filled tank N d. transferring ballast from the forepeak to the after peak 2471: The device that allows a floating MODU to sway without bending the marine riser system is the __________.
N a. yaw joint N b. sway joint N c. slip joint Y d. flex or ball joint 2681: You are offloading garbage to another ship. Your records must identify that ship by name and show her __________.
Y a. official number N b. home port N c. Master N d. next port-of-call 2706: Your vessel's drafts are: FWD 15'-09", AFT 16'-08"; and the KG is 23.6 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 0.9 foot off the centerline.
Y a. 15° N b. 18° N c. 21° N d. 24° 2722: Your vessel's drafts are: FWD 21'-08", AFT 24'-02". 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. 53 tons N b. 57 tons N c. 61 tons Y d. 65 tons 2880: You have loaded a deck cargo, and the vessel has assumed a 6° list due to negative GM. Your salt water drafts are: FWD 16'-05", AFT 16'-07". If you then load 1150 tons of cargo in the lower holds (VCG 12.0 feet) and take on 520 tons of bunkers (VCG 2.5 feet), what is the final GM? (Use the reference material in Section 1, the blue pages, of the Stability Data Reference Book)
Y a. 1.8 feet N b. 2.4 feet N c. 2.8 feet N d. 3.1 feet 2897: If the result of loading a vessel is an increase in the height of the center of gravity, there will always be an increase in the __________.
N a. metacentric height N b. righting arm N c. righting moment Y d. vertical moments 2976: Aboard small passenger vessels the number of childrens' life jackets carried must be at least what percentage of the total number of persons aboard?
N a. 4% N b. 7.5% Y c. 10% N d. 15% 3031: The natural rolling period of a drilling barge increases when __________.
N a. GM increases N b. the setback is placed in the pipe racks N c. free surfaces are reduced Y d. ice accumulates above deck 3132: If the water level is rising in the bilge of a survival craft, you should first __________.
N a. increase the speed of the survival craft N b. shift all personnel to the bow N c. shift all personnel to the stern Y d. check the bilge drain plug 3292: Upon completion of fueling a gasoline driven vessel it is necessary to __________.
N a. keep ports, doors, windows, and hatches closed N b. start engines immediately Y c. ventilate before starting engine N d. None of the above 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 3330: A carbon dioxide fire extinguisher is required to be recharged if the weight loss exceeds what percentage of the weight of the charge? (small passenger vessel regulations)
N a. One percent N b. Five percent N c. Seven percent Y d. Ten percent 3404: Convection spreads a fire by __________.
N a. transmitting the heat of a fire through the ship's metal Y b. heated gases flowing through ventilation systems N c. burning liquids flowing into another space N d. the transfer of heat across an unobstructed space 3417: Which statement is TRUE concerning an inflatable liferaft?
N a. The floor may be inflated for insulation from cold water. N b. Crew members may jump into the raft without damaging it. N c. The raft may be boarded before it is fully inflated. Y d. All of the above 3448: The SS AMERICAN MARINER is ready to load the cargo listed. There is already 3485 tons of cargo on board with a KG of 24.4 feet. Use the white pages of the Stability Data Reference Book to determine the final KG of all the cargo after loading is completed. ST-0131
N a. KG 25.1 feet Y b. KG 25.6 feet N c. KG 26.0 feet N d. KG 26.5 feet 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. 3679: You are alone and administering CPR to an adult victim. How many chest compressions and how many inflations should you administer in each sequence?
N a. 5 compressions then 1 inflation Y b. 15 compressions then 2 inflations N c. 20 compressions then 3 inflations N d. 30 compressions then 4 inflations 3915: The DEEP DRILLER, at a draft of 60 feet, has 35,000 ft-tons of longitudinal moments. How much ballast should be transferred between tanks 1P and 10P to level the unit longitudinally?
Y a. 25.5 long tons N b. 50.2 long tons N c. 165.3 long tons N d. 330.2 long tons 4325: Lowering the hull of the COASTAL DRILLER and refloating should be done in favorable weather conditions with wave heights not more than __________.
N a. three feet N b. four feet Y c. five feet N d. six feet 4655: The COASTAL DRILLER is loaded as shown in the Sample Load Form #1 (Rig Move). If the drill water in drill water tanks #6 and #25 are discharged, what is the new draft?
N a. 8.26 feet Y b. 10.66 feet N c. 10.88 feet N d. 11.10 feet 5385: While preloading, the COASTAL DRILLER has a total weight of 21,401 kips. The LM are 2,560,416 ft-kips, and the TM are -6,206 ft-kips. What is the starboard leg reaction?
Y a. 7,099 kips N b. 7,134 kips N c. 7,151 kips N d. 7,203 kips 5511: When inspecting anchor chain, the American Petroleum Institute recommends checking the length over 5 links every __________.
N a. 10 feet Y b. 100 feet N c. 250 feet N d. 500 feet 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 5752: 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-0184
N a. Available GM 2.8 ft N b. Available GM 3.2 ft Y c. Available GM 3.5 ft N d. Available GM 3.8 ft 6055: How often are fire hoses required to be tested on a mobile offshore drilling unit?
N a. Once a week N b. Once a month Y c. Once a year N d. During each drill 6271: During storm conditions on a MODU, the mooring tensions should be adjusted so that __________.
N a. all mooring lines have a different tension N b. the leeward lines have higher tension than the windward lines Y c. the maximum tension of the most heavily loaded line does not exceed the safe working load N d. all horizontal tension forces on the windward lines are no greater than the vertical tension forces 6721: Each hand portable, semi-portable and fixed fire extinguishing unit on a MODU must be tested and inspected at least once every __________.
N a. six weeks N b. six months Y c. twelve months N d. two years 6838: What is an advantage of a steam turbine over a diesel for the main propulsion?
N a. Faster response from ahead to astern N b. Less fuel consumption N c. Cheaper initial installation cost Y d. Less weight per unit of horsepower 6908: Topside icing decreases vessel stability because it is usually off-center and __________.
N a. increases displacement Y b. increases the height of the center of gravity N c. increases draft N d. reduces the pocketing of free surface 8587: The person assigned to command a lifeboat or inflatable liferaft on a MODU shall have a list of the persons assigned to the lifeboat or liferaft. The list shall include each person's __________.
N a. home address Y b. duties N c. home phone number N d. nearest relative's address 8913: In a semisubmersible MODU, the columns contain void spaces above the waterline that used principally for __________.
N a. equipment storage N b. machinery N c. elevators Y d. reserve buoyancy 9271: You are involved in an emergency landing of a helicopter on the water. You should inflate your life jacket __________.
N a. upon entering the helicopter N b. prior to reaching the water N c. after reaching the water, but prior to exiting the helicopter Y d. after exiting clear of the helicopter