單項(xiàng)選擇題The emergency signal for fires is sounded on the ship’s whistle and general alarm as().

A.a continuous ringing for 10 seconds
B.one short ring followed by one long ring
C.two long rings of at least 20 seconds
D.a continuous ringing until the fire is extinguished


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1.單項(xiàng)選擇題Each hand portable fire extinguisher must be marked with().

A.the name of the vessel on which it is located
B.the date that it was installed
C.the names of the individuals qualified to use it
D.an identification number

2.單項(xiàng)選擇題Each fire hose coupling on a ship must have threads that meet the specifications of the().

A.American Petroleum Institute
B.National Standard Firehose Coupling
C.American Society of Mechanical Engineers
D.Underwriter's Laboratories,Inc

3.單項(xiàng)選擇題Combustible gas indicators measure the presence of combustible gas as a percentage of the().

A.flash point
B.upper explosive limit
C.lower explosive limit
D.fire point

4.單項(xiàng)選擇題According to the T-Boat regulations the reason for providing adequate ventilation for a battery storage area is to prevent().

A.accumulation of carbon dioxide gas that chokes the battery
B.accumulation of explosive and toxic gases the battery can generate
C.mildew or dry rot in the battery box
D.battery failure including battery case meltdown caused by excessive heat

5.單項(xiàng)選擇題Cargo transfer operations on a tanker need NOT be stopped when().

A.a tug comes alongside while the tanker is loading grade D and E cargoes
B.a large,fresh oil spill is discovered immediately adjacent to the side of the tanker
C.there is an electrical storm in the vicinity
D.there is a fire on the dock or on a nearby vessel

6.單項(xiàng)選擇題Convection spreads a fire by().

A.heated gases flowing through ventilation systems
B.the transfer of heat across an unobstructed space
C.burning liquids flowing into another space
D.transmitting the heat of a fire through the ship's metal

7.單項(xiàng)選擇題A fire is discovered in the forepeak of a vessel at sea. The wind is from ahead at 35 knots. You should().

A.remain on course and hold speed
B.change course and put the stern to the wind
C.change course to put the wind on either beam and increase speed
D.remain on course but slack the speed

8.單項(xiàng)選擇題A fire main system must have enough fire hydrants so that each accessible space may be sprayed with().

A.a low velocity spray applicator
B.a water spray or solid stream
C.at least two spray patterns of water
D.at least 25 psi delivered pressure

9.單項(xiàng)選擇題Each hose in the fuel transfer system for helicopter refueling must meet the standards of the().

A.Federal Aviation Administration
B.Corps of Engineers
C.National Fire Protection Association
D.National Transportation Safety Board

10.單項(xiàng)選擇題On a hydrocarbon flammability chart the line which extends from 0% to 21.8% oxygen,lying tangent to the flammability range,is called the().

A.minimum oxygen content line
B.critical displacement line
C.critical dilution line
D.upper threshold limit