A.Nitric acid
B.Amides
C.Alcohols，glycols
D.Phenols，cresols
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A.Colorless liquid，mild aromatic odor
B.Pale yellow liquid，strong odor
C.Colorless liquid，faint odor
D.Straw-colored liquid，sweet-odor
A.from areas equipped with power ventilation
B.only from enclosed areas free from sources of vapor ignition
C.from the open deck
D.from within the vessel
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
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
最新試題
Each inert gas system gas main must have an automatic shut down valve at the outlet of the gas production plant. This valve must close automatically upon（）.
The purpose of the deck seal in an inert gas system is to prevent（）.
Sour crude oil（）.
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 （）.
If a leak occurred while loading diethylenetriamine，the chemical data guide indicates you would smell an odor similar to（）.
According to the Chemical Data Guide，1，3 - pentadiene possesses which characteristic? （）
The fresh air intake of the inert gas system（）.
One of the principal dangers inherent in liquefied petroleum gas is（）.
Petroleum cargo tanks should not be topped off at deck level when loading on a cold day because（）.
The component in an inert gas system used for cleaning the gas of solid and sulphur combustion products，while simultaneously cooling the inert gas，is called the（）.