单项选择题
A fire in a ballast pumproom can be brought under control with minimal impact on stability by（）.
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
相关考题
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单项选择题
A fire hose has a（）.
A.male coupling at both ends
B.female coupling at both ends
C.female coupling at the nozzle end and a male coupling at the hydrant end
D.male coupling at the nozzle end and a female coupling at the hydrant end -
单项选择题
A fire has broken out on the stern of your vessel. You should maneuver your vessel so the wind（）.
A.blows the fire back toward the vessel
B.comes over the bow
C.comes over the stern
D.comes over either beam -
单项选择题
A definite advantage of using water as a fire extinguishing agent is its characteristic of（）.
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
