A.variable
B.the same
C.lighter
D.heavier
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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
A.actuator
B.annulus
C.accumulator
D.annular preventer
A.controls the amount of gasoline to the engine
B.shuts off the gasoline supply at the tank
C.is used if the gasoline tank leaks
D.All of the above
最新試題
What would you consult to determine the number of persons required on duty while loading a cargo of leaded gasoline on your tanker? （）
The airborne concentrations of substances (such as H2S) under which nearly all workers may be repeatedly exposed without adverse effects are called（）.
Upon release to the atmosphere，LFG readily（）.
Each inert gas system must be designed to supply the cargo tanks with a gas，or mixture of gasses，that has an oxygen content by volume of（）.
One of the principal dangers inherent in liquefied petroleum gas is（）.
Where should the tops of vents from gasoline tanks terminate?（）.
Storage batteries should be charged in a well ventilated area because（）.
Gasoline tanks should be filled（）.
When fueling has been completed（）.
Gasoline fumes tend to（）.