A.blows the fire back toward the vessel
B.comes over the bow
C.comes over the stern
D.comes over either beam
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A.alternate expansion and contraction as water in a liquid state becomes a vapor
B.absorption of smoke and gases as water is converted from a liquid to a vapor
C.rapid contraction as water is converted from a liquid to a vapor
D.rapid expansion as water absorbs heat and changes to steam
A.damage from crane operations
B.being used for wash down purposes
C.accidental diversion of flow to wrong location
D.freezing
A.vapor to oxygen
B.the flammable limit concentration
C.the autoignition concentration
D.the lower explosive limit concentration
A.fuel oil
B.wood
C.celluloid
D.electrical insulation
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
最新試題
During a fire drill on a ship，what action is required?（）
Automatic fire dampers in ventilation systems are operated by a（）.
Before a tank is to be crude oil washed，the oxygen content in the tank must be measured at a position（）.
According to the T-Boat regulations the reason for providing adequate ventilation for a battery storage area is to prevent（）.
Control of fire on a ship should be addressed（）.
Each fire hydrant serving machinery spaces containing oil fired boilers，internal combustion machinery，or oil fuel units must be equipped with a（）.
A fire main system must have enough fire hydrants so that each accessible space may be sprayed with（）.
During the required periodic abandon ship drill aboard a ship，each person not assigned duties in the muster list is（）.
Each hand portable fire extinguisher must be marked with（）.
A fire starting by spontaneous combustion can be expected in which condition?（）.