A.trichloromethane
B.sulfuric chlorohydrin
C.chlorine gas
D.4-methyl phenol
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A.prevent engine overheating
B.have proper air/gasoline fuel mixture ratio
C.be liquid- and vapor-tight
D.supply sufficient air to the intake manifold
A.B flammable liquid
B.C flammable liquid
C.D combustible liquid
D.E combustible liquid
A.permits the passage of vapor but not of flame
B.prevents the passage of flammable vapors
C.prevents inert gas from leaving a tank
D.permits vapors to exit but not enter a tank
A.A load on top system
B.Direct line system
C.Circle line system
D.An inert gas system
A.Evaporation
B.Dispersion
C.Emulsification
D.Drifting
最新試題
The purpose of the deck seal in an inert gas system is to prevent（）.
Regulations require that pumprooms on tank vessels carrying grade C liquid cargo with machinery spaces below the freeboard deck be ventilated with（）.
Reid vapor pressure is（）.
What action must be taken when an individual cargo tank is closed off from the inert gas system by the tank isolation valve?（）
The number or name of a tank barge shall be（）.
If you are fighting a fire below the main deck of your vessel，which action is most importantconcerning the stability of the vessel? （）
Petroleum cargo tanks should not be topped off at deck level when loading on a cold day because（）.
Regulations require that cargo pumps in tankers carrying grade D liquid cargo shall be isolatedfrom sources of vapor ignition by（）.
One of the principal dangers inherent in liquefied petroleum gas is（）.
Releasing oil from the sea anchor of a survival craft may（）.