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
Where is thicker plating usually found in the construction of integral tanks on a ship? （）
The tops of vents from gasoline tanks should terminate（）.
Combustible gas indicators operate by drawing an air sample into the instrument（）.
The storage device for nitrogen-pressurized hydraulic fluid，which is used in closing the blowout preventers is called the（）.
The weight of liquefied petroleum gas vapors as compared to air is（）.
The airborne concentrations of substances (such as H2S) under which nearly all workers may be repeatedly exposed without adverse effects are called（）.
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（）.
Name one major advantage of transporting gas under refrigeration.（）
What will NOT increase friction of a liquid flowing in a pipe and cause a loss of suction head?（）.