單項(xiàng)選擇題

The remote control for a fixed fire extinguishing system should be（）.

A.painted red and labeled
B.concealed from the crew
C.protected by plexiglass
D.padlocked

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單項(xiàng)選擇題

The sign used to caution persons approaching the gangway of a tank barge during cargo transfer reads（）.

A.warning, keep off,stay clear
B.danger, do not board
C.warning, no smoking, no open lights, no visitors
D.dangerous cargo being transferred

單項(xiàng)選擇題

What is not accepted as the required shipping paperson a manned and loaded tank barge?（）.

A.Bill of lading
B.Manifest
C.Shipping document
D.Logbook entry

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