A.flame safety lamp
B.combustible gas indicator
C.gasometer
D.oxygen indicator
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A.class A
B.class B
C.class C
D.class D
A.class A
B.class B
C.class C
D.class D
A.Chemical agent removal
B.Mechanical removal
C.Absorbent removal
D.None of the above
A.class A
B.class B
C.class C
D.class D
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
最新試題
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.
Which of the diesel engine components listed increase air density and helps to improve engine operating efficiency?（）
Diesel engine air start system check valves are opened by （）
The Port State Control officer may witness a fire drill carried out by the crew assigned to these duties on the（）
During the diesel engine running, the water level of F.W expansion tank should normally kept in the （） level of glass tube.
A purge recovery system is used in a centrifugal air conditioning or refrigeration system to （）
The ISPS Code consists of a mandatory section-Part A, which shows（）
The treatment of the fuel oils involves storage, heating, filtering and（）
The flash point of a residual fuel oil should be used to determine the highest temperature to which oil may be heated（）
“Insufficiency of manning or insufficiency of certification of seafarers” is an identification of a（）