默认题库 - 液化气体与IGC规则

A. the fuel tank fill pipe should be left open to allow vapors to vent from the tank
B. the engine should be started immediately to prevent vapor lock in the fuel line
C. all hatches should be opened and all compartments should be ventilated
D. open the fuel line and drain a small amount of gasoline into the bilge to clear the line of sediment

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单选题

Where is thicker plating usually found in the construction of integral tanks on a ship? （）

A. On the outside of the tank
B. At the bottom of the tank
C. At the top of the tank
D. At the center of the tank

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单选题

According to regulations，a cargo hose used for transferring liquefied gases must have a bursting pressure of（）.

A. 5 times the maximum working pressure on the hose during cargo transfer
B. one half the designed working pressure
C. 4 times the pressure of the cargo pump used for transferring
D. 5 times the minimum working pressure on the hose during cargo transfer

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单选题

According to the Chemical Data Guide，when burning，the grade B flammable liquid，carbon disulfide produces（）.

A. phosgene gas
B. sulfuric acid gas
C. sulfur dioxide gas
D. carbon tetrachloride

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单选题

If you have a liquefied flammable gas barge in tow，which is NOT required of you with respect to the barge and its cargo? （）

A. Make periodic inspections of bilges
B. Keep the barge under constant surveillance
C. Have a properly certificated tankerman or at least one licensed officer on board the towing vessel
D. Verify ullage reading

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单选题

The storage device for nitrogen-pressurized hydraulic fluid，which is used in closing the blowout preventers is called the（）.

A. actuator
B. annulus
C. accumulator
D. annular preventer

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