A.Bends in the piping
B.Slowing the pumping rate
C.Pipeline valves
D.Backing rings for pipe welds
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A.Running hand along pipe
B.Red flame
C.Odor
D.Increase the line pressure
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
最新試題
Storage batteries should be charged in a well ventilated area because（）.
The vapor pressure of a gas is the pressure necessary to keep it in a(n)（）.
Butadiene，inhibited，is labeled as a（）.
Gasoline vapor tends to collect（）.
LFG tank and pipeline maintenance should include（）.
What will NOT increase friction of a liquid flowing in a pipe and cause a loss of suction head?（）.
What is used to test a tank for oxygen content?（）
Gasoline fumes tend to（）.
The amount of LFG that may be loaded into a given tank is determined by（）.
The vapor pressure of a substance（）.