A.lighter than air
B.heavier than air
C.odorless
D.nontoxic
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A.Fixed CO2,semi-portable CO2, then hand portable CO2
B.Semi-portable CO2, fixedCO2, then hand portable CO2
C.Hand portable, semi-portable CO2, then as a last resort the fixed CO2 system
D.Hand portable, fixed CO2, then as a last resort the semi-portable CO2
A.spilling
B.leaking
C.dumping
D.All of the above
A.remove combustibiles from direct exposure
B.cool the bulkhead around the fire
C.close all openings to the area
D.shut off electrical power
A.is properly vented
B.contains no explosive fumes
C.has no oil in the bilges
D.all of the above
A.an electrical switchboard
B.the pressure tanks
C.the fuel oil tanks
D.the oily rag bin
最新試題
Under MARPOL Code the ship to which it applies has to carry （）
“Insufficiency of manning or insufficiency of certification of seafarers” is an identification of a（）
During the diesel engine running, the water level of F.W expansion tank should normally kept in the （） level of glass tube.
Flame failure in an automatically fired auxiliary boiler can from a/an （）
Which of the listed governor characteristics will greatly affect the load sharing relationship between paralleled diesel generators?（）
（）are used to digest the sewage to produce innocuous sludge in a biological sewage treatment plant.
Which of the diesel engine components listed increase air density and helps to improve engine operating efficiency?（）
（）connectors hold best if a wire is accidentally pulled or a connection becomes loose.
One of the reasons that cause oil flowed from sludge outlet of a self-cleaning separator is（）
Which of the following items don’t belong to dock repair works?（）