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
Which is NOT a safety precaution to be observed during the loading of LFG?()
What normally helps in detecting escaping gas? ()
What is the proper first aid for LPG in the eye? ()
Before starting a gasoline engine on a motorboat,you should make sure for safety that().
It should be noted()the use of synthetic mooring ropes able to produce sparks by their manipulation is absolutely forbidden on board petroleum tankers and LPG or LNG carriers,or any vessels carrying inflammable substances.
What will NOT increase friction of a liquid flowing in a pipe and cause a loss of suction head?().
When fueling has been completed().
The primary hazard of liquefied petroleum gas and liquefied natural gas is().
Storage batteries should be charged in a well ventilated area because().
The vapor pressure of a substance().