A.fuel oil
B.wood
C.celluloid
D.electrical insulation
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A.preventing oxygen from reaching the burning material
B.cooling the burning material below its ignition temperature
C.using the extinguishing agent to make the burning material fire-resistant
D.using the extinguishing agent to absorb the heat
A.the mimimum fire extinguishing equipment,lifejackets,survival and rescue craft she must carry
B.the name of the managing operator
C.any special conditions or restrictions on her operation
D.All the above
A.pressure release
B.backfire flame arrestor
C.automatic shut off
D.flow valve
A.at least annually
B.whenever it is below its required weight
C.only if the extinguisher has been used
D.before every safety inspection
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
最新試題
Control of fire on a ship should be addressed().
Backfire flame arrestors are installed on().
Automatic fire dampers in ventilation systems are operated by use of().
Each fire hydrant serving machinery spaces containing oil fired boilers,internal combustion machinery,or oil fuel units must be equipped with a().
According to the T-Boat regulations the reason for providing adequate ventilation for a battery storage area is to prevent().
Cargo transfer operations on a tanker need NOT be stopped when().
During a fire drill on a ship,what action is required?()
Before a tank is to be crude oil washed,the oxygen content in the tank must be measured at a position().
Blocking open or removing fire dampers can cause().
Dry chemical extinguishers extinguish class B fires to the greatest extent by().