你可能感興趣的試題

Mechanical gearing of deck machinery such as the windlass or boat hoists should（）.

A.be open to view so，if a foreign object gets in the gearing，the operator can immediately stop the machinery
B.have a guard over the gearing
C.be painted a contrasting color from the base color in order to call attention to the gearing
D.not be operated if there is any crew within 10 feet of the machinery

單項(xiàng)選擇題

Lines or gear NOT in use should be（）.

A.conspicuously marked
B.stowed anywhere
C.left on deck
D.secured or stowed out of the way

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On cargo booms，preventers are（）.

你可能感興趣的試題

Mechanical gearing of deck machinery such as the windlass or boat hoists should（）.

Lines or gear NOT in use should be（）.

On cargo booms，preventers are（）.