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.
37: What is the generally accepted method of determining whether the atmosphere within a cargo tank is explosive, too rich, or too lean to support combustion?
N a. Use the open flame test on a small sample that has been taken from the tank. N b. Send a gas sample ashore for laboratory analysis. N c. Enter the tank with an oxygen analyzer. Y d. Use an explosimeter. 42: The advantages of using an inert gas system on a tank vessel is that it provides __________.
N a. for faster loading Y b. tank atmosphere with low oxygen content N c. better fuel economy N d. All of the above 82: You are fighting a class "B" fire with a portable dry chemical extinguisher. The discharge should be directed __________.
N a. to bank off a bulkhead onto the fire Y b. at the seat of the fire, starting at the near edge N c. over the top of the fire N d. at the main body of the fire 148: First aid treatment for small cuts and open wounds is to __________.
N a. lay the patient down and cover the wound when the bleeding stops Y b. stop the bleeding, clean, medicate, and cover the wound N c. apply an ice pack to the wound and cover it when the bleeding stops N d. apply a hot towel to purge the wound, then medicate and cover it 278: What is a treatment for traumatic shock?
N a. Administer CPR. Y b. Administer fluids. N c. Open clothing to allow cooling of the body. N d. Keep the victim in a sitting position. 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 409: What is the reduction in metacentric height due to free surface when a tank 60 feet long and 30 feet wide is partially filled with salt water, and is fitted with a centerline bulkhead? (The vessel has a displacement of 10,000 tons.)
Y a. 0.1 foot N b. 0.8 foot N c. 1.0 foot N d. 1.2 feet 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 926: Inflatable liferafts must be overhauled and inspected at a U.S. Coast Guard approved service facility every __________.
N a. six months Y b. twelve months N c. eighteen months N d. twenty-four months 933: You are at sea on a vessel whose beam is 40 feet and the full rolling period is 20 seconds. What is the estimated metacentric height of the vessel?
N a. 0.3 ft. N b. 0.5 ft. Y c. 0.8 ft. N d. 1.1 ft. 950: Your vessel has taken a slight list from off-center loading of material on deck. The __________.
Y a. list should be easily removed N b. mean draft is affected N c. vessel may flop N d. vessel is trimmed 1085: When lowering lifeboats in heavy seas, a good practice is to rig frapping lines __________.
N a. on only the forward falls N b. on only the after falls Y c. with a lead of about 45 degrees to the boat N d. from the falls to the main deck of the vessel 1093: On small passenger vessels, which device(s) must be fitted to a fuel line's tank connection?
N a. A fuel strainer Y b. A shut-off valve N c. A tubular glass gauge to indicate the fuel level N d. All of the above 1134: On board small passenger vessels, ducts for compartments which contain gasoline powered machinery or gasoline storage tanks __________.
N a. must not allow any appreciable vapor flow except through their normal openings N b. must be of rigid, permanent construction N c. must lead as directly as possible and be properly fastened and supported Y d. All of the above 1168: What is the maximum oxygen content below which flaming combustion will no longer occur?
N a. 1% N b. 10% Y c. 15% N d. 21% 1258: On a bulk chemical carrier, water should NOT be used as an extinguishing agent to fight a fire if the water may come into contact with the chemical called __________.
N a. acrylic acid N b. benzene Y c. oleum N d. vinyl toluene 1260: The type of davit on which you must turn a crank in order to swing the lifeboat out over the ship's side is a __________.
Y a. sheath-screw davit N b. gravity davit N c. radial davit N d. bruckner davit 1407: You are in a lifeboat when you sight the stars shown. You will be heading due north when you head for Polaris which is indicated by what letter? (D007SA )
N a. C N b. D N c. E Y d. F 1441: On small passenger vessels, how many supply and exhaust ducts are required in each enclosed space containing gasoline powered machinery or gasoline fuel tanks?
N a. 1 of each Y b. 2 of each N c. 3 of each N d. 4 of each 1496: Your vessel has been holed in #1 hold and partially flooded. The hole is plugged against further flooding. In calculating the effect of the flooding on your transverse stability, you should use which method?
N a. Compartment standard method N b. Lost buoyancy method N c. Factor of subdivision method Y d. Added weight method 1545: Preventer bars are fitted on lifeboat releasing hooks to prevent __________.
N a. the falls from unhooking if the releasing gear is operated accidentally while the boat is being lowered N b. operation of the release lever until the boat is waterborne N c. the falls from rehooking after they have been released Y d. accidental unhooking when the falls become slack 1555: Seawater may be used for drinking __________.
N a. at a maximum rate of two ounces per day N b. after mixing with an equal quantity of fresh water N c. if gathered during or immediately after a hard rain Y d. under no conditions 1573: The searchlight on a survival craft must be capable of operating 3 hours continuously or 6 hours intermittently if operated in cycles of __________.
N a. 5 minutes on and 10 minutes off N b. 10 minutes on and 5 minutes off Y c. 15 minutes on and 5 minutes off N d. 15 minutes on and 10 minutes off 1953: Which fitting is used to connect the boom to the mast?
N a. Clevis pin N b. Gunter-lug Y c. Gooseneck N d. Transom 1978: How should you try to right a capsized small sailing vessel?
N a. Position all personnel at the stern and rock the vessel upright. N b. Position all personnel around the mast and lift the vessel upright. Y c. Lock the centerboard in the down position, stand on the centerboard, and pull on a shroud or a halyard. N d. Put the centerboard in the up position and have all personnel haul in on the line attached to the mast. 1997: Vessels to which Annex V to MARPOL 73/78 applies may discharge garbage containing plastics __________.
N a. 5 nautical miles from nearest land N b. 12 nautical miles from nearest land N c. 25 nautical miles from nearest land Y d. None of the above 2122: Your drafts are: FWD 6'-00", AFT 6'-06". From past experience, you know that the vessel will increase her draft 1 inch for every 6 tons loaded. There is rig water on board and 17 tons of deck cargo. How many more tons of cargo can be loaded and still maintain the same trim? (D037DG )
N a. 14 tons Y b. 18 tons N c. 24 tons N d. 33 tons 2216: Which statement is generally correct regarding the maintenance requirements for ships under GMDSS?
N a. Redundancy of functions of certain equipment will partially meet this requirement. N b. On-board maintenance provided by a person holding a GMDSS maintainer's license will partially meet the requirements. N c. Shoreside maintenance and scheduled tests and inspections will partially meet this requirement. Y d. All of the above 2228: Your sails are properly trimmed while on a reaching course. Changing to a close hauled course will __________.
N a. require you to sheet in for best speed N b. result in a reduction of speed N c. cause a greater heeling force to leeward Y d. All of the above 2264: Where a propeller shaft passes through the hull, water is prevented from entering by means of a __________.
Y a. stuffing box N b. propeller boss N c. seacock N d. stop-water 2290: In order to calculate the TPI of a vessel, for any given draft, it is necessary to divide the area of the waterplane by __________.
N a. 35 N b. 120 N c. 240 Y d. 420 2314: Cargo tanks on barges fitted with goose neck vents and flame screens are limited to carrying which grade of cargo?
N a. A and below N b. B and below N c. C and below Y d. D and E only 2358: Your vessel's drafts are FWD 20'-08", AFT 23'-00". Use the information in Section 1, the blue pages, of the Stability Data Reference Book to determine the final drafts if 195 tons of cargo are discharged 76 feet aft of amidships.
N a. FWD 20'-05", AFT 21'-11" N b. FWD 20'-07", AFT 22'-01" Y c. FWD 20'-11", AFT 22'-00" N d. FWD 21'-03", AFT 22'-04" 2365: The space around a pipe in a wellbore, the outer wall of which may be the wall of either the borehole or the casing, is the __________.
N a. open hole N b. down hole N c. bore Y d. annulus 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 2743: Compliance with the terms of the load line certificate on a MODU is the responsibility of the __________.
N a. Ballast Control Operator N b. Barge Supervisor Y c. Master or Offshore Installation Manager N d. operators representative 2754: Which lifesaving equipment must be tested monthly?
N a. Inflatable PFD's Y b. EPIRB N c. Hydrostatic releases N d. Dated batteries 2776: The lubber's line of a magnetic compass __________.
N a. always shows true north direction Y b. indicates the vessel's heading N c. is always parallel to the vessel's transom N d. is located on the compass card 2785: The intact volume above the waterline of a floating MODU is __________.
N a. displacement volume Y b. reserve buoyancy N c. gross tonnage N d. net tonnage 3411: The SS AMERICAN MARINER has the liquid loading shown. Use the white pages of The Stability Data Reference Book to determine the KG of the liquid load. ST-0127
Y a. 7.9 feet N b. 7.3 feet N c. 6.4 feet N d. 4.3 feet 3446: To release the davit cable of a davit launched liferaft, you must __________.
Y a. pull the release lanyard N b. pull the hydraulic release N c. push the release button N d. pull on the ratchet handle 3467: An emergency sea anchor may be constructed by using __________.
N a. a boat bucket N b. an air tank filled with water N c. an oar and canvas weighted down Y d. All of the above 3501: The DEEP DRILLER as currently configured is limited to a maximum water depth of __________.
N a. 400 feet Y b. 600 feet N c. 800 feet N d. 1,000 feet 3637: In anticipation of heavy weather, it is decided to deballast the DEEP DRILLER to survival draft. The marine riser should be disconnected, pulled, and laid down. After doing so, the riser tension will be __________.
Y a. zero N b. equal to the weight of the riser N c. dependent on the water depth N d. applied at the riser tensioner sheaves 3666: When you are firing a pyrotechnic distress signal, it should be aimed at __________.
N a. straight overhead N b. at the vessel whose attention you are trying to get N c. into the wind Y d. about 60 degrees above the horizon 3776: If you continue to wear extra clothing when entering the water after abandoning your vessel, it will __________.
N a. weigh you down Y b. preserve body heat N c. reduce your body heat N d. make it more difficult to breathe 4020: The control panel of a fire detection system must have all of the following EXCEPT _____________ .
N a. a power-available light N b. an audible alarm to notify the crew and identify the origin of the fire N c. a means to silence audible alarms while maintaining visible alarm lights Y d. a way to bypass the entire panel if it malfunctions 4075: The DEEP DRILLER is loaded as shown in the Sample Load Form #1 (Transit). What are the new vertical moments if the entire contents of Salt Water Ballast Tanks 1P and 1S are discharged?
N a. 12,662 ft-tons Y b. 794,346 ft-tons N c. 795,025 ft-tons N d. 795,704 ft-tons 4312: The SS AMERICAN MARINER is ready to bunker with drafts of FWD 11'-01", AFT 14'-07". 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-0158
Y a. 1.30 feet N b. 1.17 foot N c. 1.06 foot N d. 0.91 foot 4555: The COASTAL DRILLER at a draft of 10.5 feet, transfers a portion of the on board liquids from full drill water tank #23 to empty drill water tank #24. What is the change in the free surface correction?
N a. 0.69 foot Y b. 0.44 foot N c. 0.34 foot N d. 0.22 foot 5191: While being towed at a 19.5 foot draft, the DEEP DRILLER experiences single amplitude pitching of 7.5 degrees with an 8 second period. You should __________.
Y a. continue towing operations and carefully monitor vessel motions N b. alter course into the wind to improve motion characteristics N c. ballast the rig to a 45 foot draft and check the vessel motion at the new draft N d. ballast the rig to a 60 foot draft and check vessel motion at the new draft 5491: The American Petroleum Institute recommends that a new anchor chain should be inspected after being in service for __________.
N a. 1 year Y b. 3 years N c. 5 years N d. 10 years 5577: What is the advantage of a single streamlined fluke anchor over a double fluked anchor of similar weight?
N a. It has multiple fluke angle settings. Y b. It has increased holding power. N c. It holds well with either side down. N d. It is easier to handle on an anchor boat. 5645: On a semisubmersible drilling unit, increasing riser tension reduces __________.
N a. list N b. KM N c. KG Y d. GM 5731: Given the same water depth and line tension, the catenary length of a 19 pound/foot wire rope mooring line in comparison to the catenary length of a 90 pound/foot mooring chain will be __________.
N a. shorter Y b. longer N c. identical N d. indeterminable 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 6425: The test for determining the formation fracture pressure after drilling out a seat is called a __________.
N a. casing test Y b. leak off test N c. drill stem test N d. well test 7032: Overspeed of the diesel engine driving an electric generator could cause __________.
N a. low voltage trip N b. reverse power trip Y c. damage to windings N d. excessive exhaust temperatures 8317: The minimum concentration of H2S which can cause death if a person is exposed for even an instant is __________.
N a. 200 ppm N b. 400 ppm N c. 600 ppm Y d. 1000 ppm 8553: On offshore drilling units, each fire station is required to be fitted with a hose which has a nominal diameter of __________.
Y a. 1-1/2 or 2-1/2 inches N b. 2 or 3 inches N c. 2-1/2 or 3-1/2 inches N d. 3 or 4 inches