The tanks should then be ______ immediately after the measurements or cargo samples have been taken．
A. topped up
B. braced
C. tommed down
D. re-pressurized
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The fitting at the end of a cargo line in a tank that allows suction to be taken close to
A. Suction end
B. Strainer
C. Bell-mouth
D. Vacuum valve
The blowers of an inert gas generation system aboard a tanker，will be automatically secured if ______．
A. Normal water supply at the water seal is lost
B. The temperature of the inert gas being delivered to the cargo tanks is more than 150℉
C. The cooling water supply to the scrubbers is lost
D. All of the above
Spreading oil on the open sea has the effect of ______．
A. Diminishing the height of the seas
B. Lengthening the distance between successive crests
C. Increasing the height of the seas
D. Preventing the wave crests from breaking
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