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.
67: The explosive range of petroleum vapors mixed with air is __________.
N a. 0% to 1% Y b. 1% to 10% N c. 10% to 15% N d. 12% to 20% 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 315: The maximum number of passengers a "T-Boat" may carry __________.
Y a. is stated on the vessel's Certificate of Inspection N b. is the number authorized in the Navigation Rules N c. depends on the number of lifejackets you carry N d. is the number authorized by your license 345: A 100-GT vessel, constructed before July 1,1974, is loading diesel fuel. What is the minimum capacity of the drip pans required for placement under or around each fuel tank vent, overflow, and fill pipe?
N a. 1 gallon Y b. 5 gallons N c. 1 barrel N d. 2 barrels 442: On the all-purpose nozzle, the position of the valve when the handle is all the way forward is __________.
Y a. shut N b. fog N c. solid stream N d. spray 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 642: As an extinguishing agent, foam __________.
Y a. conducts electricity N b. should be directed at the base of the fire N c. is most effective on burning gases which are flowing N d. extinguishes by cooling oil fires below ignition temperature 695: The Declaration of Inspection made before oil transfer operations must be signed by the __________.
N a. Master of the vessel N b. Captain of the Port Y c. person(s) in charge N d. All of the above 780: The change in trim of a vessel may be found by __________.
Y a. dividing the trim moments by MT1 N b. subtracting the LCF from the LCB N c. looking at the Hydrostatic Properties Table for the draft of the vessel N d. dividing longitudinal moments by the displacement 961: Safety is increased if __________.
N a. extra line and wire are laid out on deck for emergency use Y b. all lashings are made up, and the decks are clean and clear N c. power tools are kept plugged in for immediate use N d. spare parts are kept on deck for ready access 985: What should be used to send the group "Bearing 074° True"?
N a. A074T N b. B074 N c. B074T Y d. A074 1011: Which vessel(s) is(are) required to comply with the vessel bridge-to-bridge radiotelephone regulations while navigating?
N a. All towing vessels 25 feet or less in length N b. All passenger vessels of 50 gross tons or less, carrying one or more passengers Y c. Power-driven vessels 20 meters in length or longer N d. An intermittently manned floating plant under the control of a dredge 1019: You are operating 10 miles offshore with three people aboard. What kind of survival craft must you carry?
N a. An inflatable liferaft with a coastal pack N b. A life float N c. An inflatable buoyant apparatus Y d. No survival craft is required. 1059: Provided every effort is made to preserve body moisture content by avoiding perspiration, how long is it normally possible to survive without water?
N a. Up to 3 days Y b. 8 to 14 days N c. 15 to 20 days N d. 25 to 30 days 1226: For what purpose may gasoline be used on small passenger vessels?
N a. Heating N b. Lighting N c. Cooking Y d. None of the above 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) 1568: The SS AMERICAN MARINER is ready to load the cargo listed. There is already 2464 tons of cargo on board with a KG of 27.3 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-0042
N a. KG 27.0 feet N b. KG 27.8 feet Y c. KG 28.6 feet N d. KG 29.8 feet 1682: Which radio call-in plan is the most prudent?
N a. There must be a designated responsible person who will be available to receive your call at anytime. Y b. There must be specific instructions for the designated responsible person to follow if your call does not come in on schedule. N c. The designated responsible person must be instructed to call the Coast Guard search and rescue authorities immediately if your call does not come in on schedule. N d. The designated responsible person should be over 18 years of age. 1720: Your vessel has 3 lifeboats on each side. The aftermost boat on the starboard side is designated as boat number __________.
N a. 6 Y b. 5 N c. 3 N d. 3 STARBOARD 1876: A sailing vessel with the wind coming from 140° relative would be __________.
N a. close hauled on the starboard tack N b. close hauled on the port tack Y c. on a broad reach N d. running before the wind 1948: You have 600 tons of below deck tonnage. There is no liquid mud aboard. If you have 150 tons of cargo above deck with a VCG above the deck of 2.8 feet, what is the maximum allowed VCG of the remainder of the deck cargo that is permitted? (See illustration D036DG, stability letter for M.V. Hudson) (D036DG )
N a. 1.96 feet N b. 2.25 feet Y c. 3.20 feet N d. 3.55 feet 2148: 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 fuel are pumped 86 feet aft.
Y a. FWD 18'-09", AFT 22'-01" N b. FWD 19'-00", AFT 21'-01" N c. FWD 19'-00", AFT 21'-08" N d. FWD 19'-01", AFT 21'-04" 2156: The flammable limits of gasoline are 1.3 to 7.6 percent volume of the air. You are testing a tank that contained gasoline by using a combustible gas indicator. Under testing, the tank sample registered 55 on the instrument's dial. What is the concentration of flammable gases?
Y a. 0.7% N b. 4.1% N c. 5.5% N d. 55% 2157: On offshore drilling units, each EPIRB or SART must be tested once every __________.
N a. day N b. week Y c. month N d. year 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) 2650: Which product(s) is(are) compatible with the product ethylene cyanohydrin?
N a. Sulfuric acid N b. Nitric acid N c. Isocyanates Y d. Ammonia 2764: If you wear extra clothing when entering the water after abandoning ship 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 2827: For a floating MODU, true mean draft is always the __________.
N a. average of the observed drafts Y b. draft at the center of flotation N c. draft corresponding to the calculated displacement N d. mean of the calculated drafts 2900: You have loaded a deck cargo, and the vessel has assumed a 7° list due to negative GM. Your salt water drafts are: FWD 17'-00", AFT 17'-04". If you then load 825 tons of cargo in the lower holds (VCG 11 feet) and take on 500 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)
N a. 0.8 foot N b. 1.0 foot Y c. 1.7 feet N d. 2.3 feet 2923: 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-0088
N a. Available GM 4.01 ft Y b. Available GM 4.16 ft N c. Available GM 4.69 ft N d. Available GM 4.81 ft 3040: A vessel's drafts are: FWD 19'-00", AFT 21'-10". How much more cargo can be loaded to have the vessel down to the freeboard draft? (Use the information in Section 1, the blue pages, of the Stability Data Reference Book)
Y a. 4819 tons N b. 4982 tons N c. 5012 tons N d. 5099 tons 3208: Water pockets on the underside of an inflatable liferaft are for __________.
N a. catching rain water Y b. stability N c. easy drainage N d. maneuverability 3313: If the hydrostatic release mechanism for an inflatable liferaft is not periodically serviced and becomes inoperable, it will fail to __________.
N a. set the water lights on immersion N b. release the dye marker from the liferaft Y c. free the liferaft from the vessel N d. break the seal on the carbon dioxide cylinder 3347: The DEEP DRILLER is level at a draft of 60 feet in calm water. What is the value of the righting moment?
N a. 18,118 foot-tons N b. 9,059 foot-tons N c. 4,529 foot-tons Y d. 0 foot-tons 3450: According to the regulations for lifeboat falls, which action must be taken at 30-month intervals?
Y a. End-for-ended N b. Renewed N c. Inspected N d. Weight tested 3487: Generally, what is used to inflate liferafts?
Y a. non-toxic inert gas N b. Oxygen N c. Hydrogen N d. Carbon monoxide 3533: If the maximum amount of weight is stored in the pipe racks of the DEEP DRILLER, what is the weight per square foot?
N a. 250.0 pounds per square foot N b. 312.5 pounds per square foot Y c. 350.0 pounds per square foot N d. 400.0 pounds per square foot 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 3749: If a person gets something in his or her eye and you see that it is not embedded, you can __________.
N a. get them to rub their eye until the object is gone N b. remove it with a match or toothpick N c. remove it with a piece of dry sterile cotton Y d. remove it with a moist, cotton-tipped applicator 4199: A vessel's tropical load line is 6 in. above her summer load line. Her TPI is 127 tons. She will arrive in the summer zone 8 days after departure. She will burn off about 47 tons/day fuel and water consumption is 12 tons/day. How many tons may she load above her summer load line if she loads in the tropical zone?
N a. 376 Y b. 472 N c. 762 N d. 1016 4239: Either one approved B-V semi-portable fire-extinguishing system or a fixed fire-extinguishing system is required to protect the engine room on towing vessels whose construction was contracted for before __________. (Uninspected Vessel Regulations)
N a. April 29, 2005 N b. April 29, 2004 Y c. August 27, 2003 N d. February 1, 2002 4292: A violation of the "Vessel Bridge-to-Bridge Radiotelephone Act" may result in a __________.
Y a. civil penalty of $650 against the Master or person in charge of a vessel N b. civil penalty of $1,000 against the vessel itself N c. suspension and/or revocation of an operator's FCC license N d. All of the above 4307: To what distance below the hull must the legs of the COASTAL DRILLER be lowered in order to meet the stability and leg strength requirements during the wind speeds greater than 70 knots?
N a. 0.0 feet N b. 1.2 feet N c. 25.0 feet Y d. 60.5 feet 5031: For the purposes of the International Rules of the Road, a jack-up drilling rig under tow is considered to be a __________.
Y a. vessel N b. non-displacement vessel N c. power-driven vessel N d. limited vessel 5057: A mobile offshore drilling unit under tow is approaching a fog bank. When should fog signals be started?
N a. When the towing vessel enters the fog N b. When the drilling rig enters the fog N c. When the towing vessel can no longer be seen from the rig Y d. Immediately 5124: The SS AMERICAN MARINER is ready to bunker with drafts of FWD 14'-04", AFT 18'-08". 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-0173
Y a. 1.05 feet N b. 1.15 feet N c. 1.25 feet N d. 1.31 feet 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 5901: With a rig in tow, there is immediate danger to the tug in the event of the __________.
Y a. tug losing power N b. tow line parting N c. bridle twisting N d. rig broaching 6157: Smoking in bed on a MODU is prohibited __________.
Y a. at all times N b. during evening hours N c. unless another person is present N d. during drilling operations 6681: On a MODU, a door that is required to be marked "KEEP CLOSED" is designed to __________.
N a. prevent the passage of flammable gases N b. prevent the passage of poisonous vapors N c. delay the spread of heat and flames Y d. maintain watertight integrity 7068: Deballasting a double bottom has what affect on KG?
Y a. KG is increased. N b. KG is decreased. N c. KG is not affected. N d. KG increases at light drafts and decreases at deep drafts. 7127: Spaces protected by a fixed CO2 system must be equipped with an alarm which sounds __________.
N a. for the first 20 seconds CO2 is being released into the space Y b. for at least 20 seconds prior to release of CO2 N c. during the entire period that CO2 is being released N d. if all doors and ventilation are not secured 7313: What is the MOST important thing you should do before transmitting on a marine radio?
N a. Ask for permission. N b. Record the time in your radio log. N c. Press the "push to talk" button three times. Y d. Monitor the channel to insure that it is clear. 7647: The abbreviation GM is used to represent the __________.
N a. height of the metacenter N b. righting arm N c. righting moment Y d. metacentric height 7713: Your vessel is listing because of a negative GM. To lower G below M, you should __________.
N a. deballast N b. transfer weight to the high side N c. ballast on the high side Y d. add weight symmetrically below G 7977: 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 8355: What quality of a diesel fuel is most significant for efficient combustion?
Y a. Volatility N b. Viscosity N c. Flash point N d. Specific heat 8384: A moment of 300 ft-tons is created by a force of 15,000 tons. What is the moment arm?
N a. 50.00 feet N b. 25.00 feet N c. 0.04 foot Y d. 0.02 foot 8527: The COASTAL DRILLER, while drilling, has a total weight of 15,435 kips. The LM are 1,975,680 ft-kips and the TM are -15,435 ft-kips. What is the port leg reaction?
N a. 4,060 kips N b. 5,145 kips N c. 5,559 kips Y d. 5,816 kips 9331: Paints and solvents on a vessel should be __________.
N a. stored safely at the work site until work is completed Y b. returned to the paint locker after each use N c. covered at all times to protect from ignition sources N d. stored in a suitable gear locker