A.Running hand along pipe
B.Red flame
C.Odor
D.Increase the line pressure
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A.Combustible gas indicator
B.Vapor indicator
C.Atmosphere analyzer kit
D.None of the above
A.Apply an ice pack to the eye
B.Keep the eyelid closed
C.Flush the eye with plenty of water
D.Rub the eye area clean
A.vaporizes
B.attacks caustically
C.rises
D.attacks corrosively
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
最新試題
One of the principal dangers inherent in liquefied petroleum gas is（）.
The airborne concentrations of substances (such as H2S) under which nearly all workers may be repeatedly exposed without adverse effects are called（）.
Where should the tops of vents from gasoline tanks terminate?（）.
What will NOT increase friction of a liquid flowing in a pipe and cause a loss of suction head?（）.
Each ship having an inert gas system must have a portable instruments to measure concentrations of hydrocarbon vapor in inert atmospheres and also to measure（）.
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（）.
What would you consult to determine the number of persons required on duty while loading a cargo of leaded gasoline on your tanker? （）
Gasoline tanks should be filled（）.
What is used to test a tank for oxygen content?（）
Before starting a gasoline engine on a motorboat，you should make sure for safety that（）.