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
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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
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
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
A.salt water
B.foam
C.low-velocity fog
D.CO2
A.cooling the outside bulkheads with water
B.shutting all sources of air into the compartment
C.closing the sea chest
D.flooding the compartment with salt water
最新試題
If，during helicopter refueling operations，fuel is spilled on clothing，the person should first（）.
Controls for a fixed carbon dioxide system shall be mounted（）.
Cargo transfer operations on a tanker need NOT be stopped when（）.
A fire must be ventilated（）.
Each fireman’s outfit and its spare equipment on a vessel must be stowed（）.
Each fire hose coupling on a ship must have threads that meet the specifications of the（）.
Dry chemical fire extinguishers are effective on which type(s) of fire?（）
According to the T-Boat regulations the reason for providing adequate ventilation for a battery storage area is to prevent（）.
Each fire pump on a ship must have a pressure gauge located at（）.
A fire pump may be used for other purposes if（）.