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.
17: The atmosphere in a tank is too rich when it is __________.
N a. incapable of supporting combustion because the hydrocarbon vapor content makes the atmosphere below the LFL (Lower Flammable Level) N b. capable of supporting combustion N c. in a noncombustible state which can be relied on to occur naturally on a regular basis Y d. incapable of supporting combustion because the hydrocarbon vapor content makes the atmosphere above the UFL (Upper Flammable Limit) 76: The required number and type of hand portable fire extinguishers required for a galley having an area of 3,500 square feet is __________.
N a. one B-II N b. one C-II Y c. two B-II's or C-II's N d. two A-II's or B-II's 441: Your vessel is broken down and rolling in heavy seas. You can reduce the possibility of capsizing by __________.
N a. moving all personnel aft N b. constantly shifting the rudder Y c. rigging a sea anchor N d. moving all personnel forward and low 462: When the handle of an all-purpose nozzle is in the vertical position and without an applicator, the all-purpose nozzle will __________.
Y a. produce high-velocity fog N b. produce low-velocity fog N c. produce a straight stream N d. shut off the water 526: Motor-propelled lifeboats are required to have sufficient fuel to operate continuously at 6 knots for how many hours?
N a. 6 N b. 12 N c. 18 Y d. 24 602: What does "EPIRB" stand for?
N a. Emergency Position Indicating Radar Buoy N b. Electronic Pulse Indicating Radio beacon Y c. Emergency Position Indicating Radio beacon N d. None of the above 625: When the Captain of the Port or Officer in Charge, Marine Inspection issues an order of suspension to the operator of a vessel concerning oil transfer operations, it __________.
N a. is always effective immediately Y b. includes a statement of each condition requiring corrective action N c. must be in writing before it takes effect N d. All of the above 674: A distress frequency used on radiotelephone is __________.
N a. 400 kilohertz Y b. 2182 kilohertz N c. 2728 kilohertz N d. 8221 kilohertz 702: Which statement about firefighting foam is TRUE?
Y a. Foam conducts electricity. N b. To be most effective, foam should be directed at the base of the fire. N c. Foam is most effective on burning liquids which are flowing. N d. Foam can ONLY be used to extinguish class A fires. 789: An inflatable liferaft equipped with a SOLAS B pack must be stowed __________.
Y a. so as to float free N b. with the vessel's emergency equipment N c. near the wheelhouse N d. as far forward as possible 802: A portable dry chemical fire extinguisher discharges by __________.
N a. gravity when the extinguisher is turned upside down Y b. pressure from a small CO2 cartridge on the extinguisher N c. air pressure from the hand pump attached to the extinguisher N d. pressure from the reaction when water is mixed with the chemical 844: If a crew member that was ill has died, which code should your message contain?
N a. MPO Y b. MPR N c. MPK N d. MPJ 865: On board a small passenger vessel, fuel tank vents should __________.
N a. be connected at the highest point in the tank N b. terminate in a U-bend fitted with a single corrosion resistant wire screen of at least 30x30 mesh N c. be installed with an upward gradient to prevent fuel from being trapped in the line Y d. All of the above 906: Inflatable liferafts shall be serviced at an approved servicing facility every 12 months or not later than the next vessel inspection for certification. However, the total elapsed time between servicing cannot exceed __________.
N a. 12 months N b. 15 months Y c. 17 months N d. 18 months 1228: When approaching a fire from leeward, you should shield firefighters from the fire by using __________.
N a. low-velocity fog Y b. high-velocity fog N c. a straight stream of water N d. foam spray 1250: The falls on gravity davits are __________.
N a. manila N b. nylon Y c. wire N d. All of the above 1379: Which statement about inert gas pressures in a cargo tank is TRUE?
N a. The pressures of the inert gas in the tank may create excessive pressure at the pump while discharging. Y b. Gas pressures should be maintained at the highest permissible level throughout the discharging process. N c. High gas pressures may cause pyrophoric oxidation in the tank. N d. High gas pressures may cause loss of suction when stripping. 1647: Electrical wiring on all "T-Boats" must be __________.
N a. concealed to prevent mechanical damage N b. concealed so the boat can be maintained more easily Y c. protected from the weather N d. in an accessible place behind the ceiling 1874: Automatic fire dampers in ventilation systems are operated by use of a __________.
N a. remote operated valve N b. C02 system pressure switch Y c. fusible link N d. heat or smoke detector 1931: The SS NORTHLAND is loaded to drafts: FWD 17'-03", AFT 19'-03". The KG is 23.6 feet. Use the salmon pages of the Stability Data Reference Book to determine the angle of list if #6 starboard tank is fully loaded with 1624 tons of salt water ballast (VCG is 36.5 feet off the centerline).
N a. 3.0° Y b. 4.4° N c. 6.0° N d. 7.5° 2002: You have 420 tons of below deck tonnage and 150 tons of above deck cargo on board. You must load 135 tons of liquid mud below deck. How much more deck cargo can you load? (See the trim and stability letter for M.V. Hudson, illustration D036DG.) (D036DG )
Y a. 90 tons N b. 140 tons N c. 155 tons N d. 240 tons 2112: You are sailing the navigable waters of the United States. You must have a currently corrected copy (or extract) of the __________.
N a. List of Lights Y b. Tide Tables N c. Sailing Directions N d. H.O. 249 Sight Reduction Tables 2221: In heavy seas the helmsman should steer the survival craft __________.
Y a. into the seas N b. broadside to the seas N c. in the same direction as the seas N d. in a series of figure-eights 2341: 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-0060
N a. Available GM 5.26 ft Y b. Available GM 4.24 ft N c. Available GM 4.11 ft N d. Available GM 4.01 ft 2474: Your vessel's drafts are FWD 19'-03", AFT 21'-07". Use the information in Section 1, the blue pages, of the Stability Data Reference Book to determine the final drafts if 142 tons of cargo are loaded 86 feet forward of amidships.
N a. FWD 18'-09", AFT 21'-04" N b. FWD 18'-10", AFT 21'-01" N c. FWD 19'-10", AFT 21'-08" Y d. FWD 19'-11", AFT 21'-04" 2788: Which is NOT a safety precaution to be observed during the loading of LFG?
N a. Report any leakage of cargo. Y b. Make sure the rake ends of the barge are completely dry and mopped. N c. Ascertain that the hoses to be used are in good order. N d. Be on the lookout for work being accomplished ashore in the vicinity of the barges. 2904: The sailing drafts are: FWD 24'-03", AFT 25'-03" and the GM is 5.5 feet. Use the information in Section 1, the blue pages of the Stability Data Reference Book, to determine the available righting arm at 30° inclination.
N a. 2.6 feet N b. 2.9 feet N c. 3.2 feet Y d. 3.5 feet 2934: Using the information in Section 1, the blue pages, of the Stability Data Reference Book, determine the danger angle for permanent list if the KG is 21.8 feet and the drafts are: FWD 23'-05", AFT 24'-04".
N a. 37° N b. 31° Y c. 26° N d. 21° 2968: Air-cooled radiators for gasoline propulsion engine cooling __________. (small passenger vessel regulations)
N a. must be approved for marine use N b. must have a double fan installation N c. must be filled with fresh water Y d. are permitted on vessels less than 65 feet carrying not more than 12 passengers 3301: A semisubmersible, while floating level, displaces 25,000 long tons. LCG is 2 feet forward of amidships. Bulk, weighing 300 long tons, is placed in P-tanks located 50 feet aft of amidships. What is the new LCG?
N a. 1.43 feet forward of amidships Y b. 1.38 feet forward of amidships N c. 0.62 foot forward of amidships N d. 0.57 foot forward of amidships 3354: Backfire flame arrestors are installed on __________.
N a. fuel tanks N b. spark plugs Y c. carburetors N d. distributors 3377: The DEEP DRILLER at a draft of 58.0 feet loads 68.94 long tons of ballast. What is the new draft?
N a. 52.0 feet N b. 57.5 feet Y c. 58.5 feet N d. 64.0 feet 3564: The sea painter of a rescue boat should be led __________.
Y a. forward and outboard of all obstructions N b. forward and inboard of all obstructions N c. up and down from the main deck N d. to the foremost point on the vessel 3586: A person has fallen overboard and is being picked up with a rescue boat. If the person appears in danger of drowning, the rescue boat should be maneuvered to make____________________.
N a. an approach from leeward N b. an approach from windward Y c. the most direct approach N d. an approach across the wind 3883: Which vessel greater than 100 GT is NOT required to have an EPIRB.
N a. A sailing vessel N b. A fishing vessel Y c. A non self-propelled vessel N d. A towing vessel 3936: After abandoning ship which action should be taken IMMEDIATELY upon entering a liferaft?
N a. Open equipment pack. N b. Issue anti-seasickness medicine. Y c. Get clear of the ship. N d. Dry the liferaft floor and inflate. 3980: In the illustration shown, the pressure relief valve is indicated as item number __________. (D014SA )
N a. 3 Y b. 4 N c. 9 N d. 11 4158: Your vessel's existing draft is FWD 19'-02", AFT 20'-10". Using the Guidance Manual for Loading M.V. GRAND HAVEN, determine the new draft if 170 long tons are discharged from No. 8 hatch.
N a. FWD 19'-00.4", AFT 20'-08.6" Y b. FWD 18'-10.8", AFT 20'-10.4" N c. FWD 19'-03.4", AFT 20'-05.6" N d. FWD 19'-05.4", AFT 20'-03.4" 4253: What is the maximum weight permitted on the cantilever pipe racks for the COASTAL DRILLER?
N a. 450 kips Y b. 500 kips N c. 750 kips N d. 1000 kips 4275: The independent-leg drilling unit is the best jack-up rig selection for drilling at locations with __________.
N a. soft even bottoms Y b. firm uneven bottoms N c. deep water N d. shallow water 4323: Guide tolerances during elevation of the jack-up rig will __________.
N a. reduce spud can bearing pressure Y b. keep the unit level and reduce overloading N c. reduce stresses on the hull N d. minimize the potential for punch-through 4335: The COASTAL DRILLER is experiencing a single amplitude roll angle of 1 degree and a roll period of 7 seconds. What is the maximum recommended water depth for elevating?
N a. 50 feet N b. 100 feet Y c. 150 feet N d. 200 feet 4475: While the COASTAL DRILLER is elevated, the out-of-level alarm indicates that hull inclination exceeds 0.3°. What should you do?
N a. Raise the high corner. N b. Raise the low corner. N c. Raise unit to proper air gap and inspect for damage. Y d. Confirm operation of out-of-level alarm. 4707: While loaded as shown in the COASTAL DRILLER sample load form #3 (drilling), 50 kips of tubulars are discharged from the cantilever starboard pipe racks. What is the change in the vessel's LCG?
Y a. 0.23 foot forward N b. 0.40 foot forward N c. 0.64 foot forward N d. 1.02 feet forward 4707: While loaded as shown in the COASTAL DRILLER sample load form #3 (drilling), 50 kips of tubulars are discharged from the cantilever starboard pipe racks. What is the change in the vessel's LCG?
Y a. 0.23 foot forward N b. 0.40 foot forward N c. 0.64 foot forward N d. 1.02 feet forward 5285: The DEEP DRILLER, loaded as shown in Sample Load Form #1 (Transit), suffers minor damage which results in flooding in tank 1P. You may pump from __________.
N a. 2P N b. C1P Y c. 1P N d. 10S 5531: With adaptor blocks/chocks removed from an LWT stock anchor, the trip angle will be __________.
N a. 20° N b. 30° N c. 40° Y d. 50° 5667: When clear ice is present when the DEEP DRILLER is in transit, the vertical moments are increased by __________.
N a. 40,402 ft-long tons N b. 42,255 ft-long tons N c. 45,593 ft-long tons Y d. 49,280 ft-long tons 6213: When patching holes in the hull of a MODU, pillows, bedding, and other soft materials can be used as __________.
N a. caulking Y b. gaskets N c. strongbacks N d. wedges 6493: A helicopter making a round trip from a helodeck with refueling capabilities to an unmanned platform will take 45 minutes each way. The helicopter should be carrying enough fuel to last __________.
N a. 45 minutes N b. 1 hour and 15 minutes N c. 1 hour and 30 minutes Y d. 2 hours 6791: At the required fire drill conducted aboard a MODU, all persons must report to their stations and demonstrate their ability to perform the duties assigned to them __________.
N a. by the toolpusher Y b. in the Muster List ("Station Bill") N c. by the person conducting the drill N d. at the previous safety meeting 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 7353: The height of a VHF radio antenna is more important than the power output wattage of the radio because __________.
Y a. VHF communications are basically "line of sight" N b. the air is more dense the higher you go N c. salt water is a poor conductor of sound N d. sea water absorbs the radiated energy 7375: When a semisubmersible rig under tow veers from side to side on its tow line, the best way of controlling the action is to __________.
N a. trim by the bow Y b. trim by the stern N c. play out stern anchor chain N d. adjust the length of the towing bridle 7601: At all angles of inclination, the true measure of a vessel's stability is the __________.
N a. metacentric height N b. displacement Y c. righting moment N d. inclining moment 8153: The DEEP DRILLER, at a draft of 60 feet and a total vertical moment of 1,012,598 foot-tons, pumps 2,068.7 long tons of ballast overboard. The VCG of the discharged ballast is 15.0 feet. What is the new height of the center of gravity?
N a. 50.62 feet N b. 55.89 feet N c. 60.56 feet Y d. 61.16 feet 8184: What is an advantage of diesel over steam turbine propulsion?
Y a. Less fuel consumption per SHP N b. Diesel fuel costs less than bunker C or its equivalent N c. Less routine maintenance required N d. Less weight per SHP 9121: The blocking or absence of fire dampers can cause __________.
N a. the accumulation of explosive gases N b. faster cooling of the fire Y c. the fire to spread through the ventilation system N d. fixed foam systems to be ineffective 9293: An elevated jack-up weighs 14,000 kips. The drill floor, weighing 700 kips, is skidded 10.0 feet to starboard. The change in TCG is __________.
N a. 9.00 feet starboard Y b. 0.50 foot starboard N c. 1.50 foot starboard N d. 1.00 foot starboard 9631: Fixed carbon dioxide extinguishing systems, for machinery spaces that are normally manned, are actuated by one control to open the stop valve in the line leading to the space, and __________.
N a. the same control releasing the CO2 Y b. a separate control to release the CO2 N c. two separate controls to release the CO2 N d. three separate controls to release the CO2