A.class A
B.class B
C.class C
D.class D
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A.Carbon dioxide is corrosive when exposed to fire
B.Carbon dioxide should be applied slowly to a large engine room fire
C.Its total cooling effect is far greater than water
D.Its smothering effect is excellent for class B fires
A.go down by the head
B.list to starboard
C.trim by the stem
D.list to port
A.absorb the oil for easy removal
B.remove the oil from the water
C.disperse or dissolve the oil in the water
D.not affect the oil
A.To make them aware there is a fire
B.To let them know they should leave the engine room
C.To prevent possible injury from frostbite
D.To make them aware that ventilation will automatically stop
A.boiling point
B.flash point
C.viscosity point
D.toxic point
最新試題
Which of the following items don’t belong to dock repair works?（）
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During the diesel engine running, the water level of F.W expansion tank should normally kept in the （） level of glass tube.
Using a file without a handle may result in （）
The additional mark （）in the Classification Certificate for Machinery means propulsion apparatus is remotely controlled on the navigating bridge control station, and engine assembly control station is unmanned periodically.
One of the reasons that cause oil flowed from sludge outlet of a self-cleaning separator is（）
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The main purpose of port State control is not to（）