A.150 millimeters of water pressure
B.125 millimeters of water pressure
C.100 millimeters of water pressure
D.75 millimeters of water pressure
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A.apply straw or sawdust on the oil
B.contain the spread of the oil
C.throw grains of sand into the oil
D.have the vessel move out of the spill area
A.Nitric acid
B.Amides
C.Alcohols，glycols
D.Phenols，cresols
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
最新試題
The deck water seal of the inert gas system（）.
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 （）.
The combined fan discharge rate in an inert gas system is related to the（）.
Regulations require that tankers handling grade B liquids shall have their cargo pumps separated from all sources of vapor ignition by（）.
The purpose of inert gas systems aboard tankers is to（）.
Upon arrival at the discharging port，the inert gas system is（）.
Unless such oil tanker carries crude oil which is not suitable for crude oil washing，the oil tanker shall（）the system in accordance with the requirements of that Regulation.
Regulations require that pumprooms on tank vessels carrying grade C liquid cargo with machinery spaces below the freeboard deck be ventilated with（）.
According to the Chemical Data Guide，1，3 - pentadiene possesses which characteristic? （）
The designations A，B，C，D and E grades of cargo refer to the（）.