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The fitting at the end of a cargo line in a tank that allows suction to be taken close to the bottom of a tank is a ______.
A.Suction end
B.Strainer
C.Bell-mouth
D.Vacuum valve
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单选题What action must be taken when an individual cargo tank is closed off from the inert gas system by the tank isolation valve?()A
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The tank must be ballastedC
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The bypass valve must also be closed
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单选题A relief valve for a cargo pump is generally installed().A
after the discharge valveB
between the pump and discharge valveC
after the suction valveD
between the pump and suction valve
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单选题The static suction head of is the ()A
distance of the suction liquid level above the line of the pumpB
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force necessary to overcome frictional losses in the pump and pipingD
amount in inches of mercury the total suction head is below atmospheric pressure
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corrosion on the gearsB
excessive gear speedC
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dock riserB
ship's cargo tanksC
shore tank dischargeD
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A load on top systemB
Direct line systemC
Circle line systemD
An inert gas system
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单选题Where is the most probable location of the remote shutdown station for cargo pumps on a tank barge carrying oil().A
The loading dockB
The midpoint of the bargeC
Within 25 feet of the pump engineD
Above the forward rake end
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