A.at least 13.1 feet away from the galleys，living quarters or navigation spaces
B.from the open deck
C.only from areas equipped with power ventilation systems
D.isolated from any part of the vessel which normally contains sources of vapor ignition
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A.trichloromethane
B.sulfuric chlorohydrin
C.chlorine gas
D.4-methyl phenol
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
最新試題
Releasing oil from the sea anchor of a survival craft may（）.
Regulations require that tankers handling grade B liquids shall have their cargo pumps separated from all sources of vapor ignition by（）.
During loading and discharging operations，in addition to when the cargo tanks have been properly filled，each inert gas system must be capable of maintaining a minimum gas pressure of（）.
The purpose of inert gas systems aboard tankers is to（）.
The designations A，B，C，D and E grades of cargo refer to the（）.
Regulations require that cargo pumprooms on tank barges (constructed in 1965) carrying grades B or C liquid cargoes have power ventilation systems which can completely change the air in （）.
According to the Chemical Data Guide，which reactive group(s) is/are not compatible with the products polybutene and o-xylene? （）
The purpose of the deck seal in an inert gas system is to prevent（）.
One of the principal dangers inherent in liquefied petroleum gas is（）.
The combined fan discharge rate in an inert gas system is related to the（）.