A.vaporizes
B.attacks caustically
C.rises
D.attacks corrosively
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A.Certificate of Inspection
B.loading order
C.rules and regulations for tankers
D.tankerman's document
A.variable
B.the same
C.lighter
D.heavier
A.decreases as temperature increases
B.increases with the temperature
C.is not affected by temperature
D.may increase or decrease as the temperature rises
A.soluble state
B.solid state
C.liquefied state
D.inert state
A.in open air
B.inside cabins
C.in machinery space
D.underwater
最新試題
Compared to the amount of concentrated foam liquid used，the amount of low expansion mechanical foam produced is（）.
Before starting a gasoline engine on a motorboat，you should make sure for safety that（）.
Storage batteries should be charged in a well ventilated area because（）.
The weight of liquefied petroleum gas vapors as compared to air is（）.
Gasoline vapor tends to collect（）.
Upon release to the atmosphere，LFG readily（）.
The vapor pressure of a gas is the pressure necessary to keep it in a(n)（）.
The airborne concentrations of substances (such as H2S) under which nearly all workers may be repeatedly exposed without adverse effects are called（）.
What would you consult to determine the number of persons required on duty while loading a cargo of leaded gasoline on your tanker? （）
The tops of vents from gasoline tanks should terminate（）.