單項選擇題A fire starting by spontaneous combustion can be expected in which condition?（）.

A.Paints，varnish，or other liquid flammables are stowed in a dry stores locker
B.Inert cargoes such as pig iron are loaded in a wet condition
C.Oily rags are stowed in a metal pail
D.Clean mattresses are stored in contact with an electric light bulb


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1.單項選擇題A fire pump may be used for other purposes if（）.

A.the other services are run off a reducing station with a pressure gage
B.one of the required pumps is kept availabe for use on the fire main system at all times
C.no relief valves are installed
D.all of the above conditions are met

2.單項選擇題A fire must be ventilated（）.

A.when using an indirect attack on the fire such as flooding with water
B.to prevent the gases of combustion from surrounding the firefighters
C.to minimize heat buildup in adjacent compartments
D.if compressed gas cylinders are stowed in the compartment on fire

3.單項選擇題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

4.單項選擇題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

5.單項選擇題A fire in electrical equipment should be extinguished by using（）.

A.salt water
B.foam
C.low-velocity fog
D.CO2