單項選擇題

If your vessel is dragging her anchor in a strong wind，you should（）.

A.shorten the scope of anchor cable
B.increase the scope of anchor cable
C.put over the sea anchor
D.put over a stern anchor

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單項選擇題

Production of mechanical foam by a portable in-line foam proportioner（）.

A.increases the size of foam bubbles formed
B.increases the rate of foam production
C.improves the extinguishing properties of foam
D.gives the nozzleman more freedom of movement，since it can be placed anywhere in the hose line

單項選擇題

Marline is（）.

A.four-stranded sisal line
B.three-stranded cotton line
C.sail twine
D.two-stranded hemp cord

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If your vessel is dragging her anchor in a strong wind，you should（）.

你可能感興趣的試題

Production of mechanical foam by a portable in-line foam proportioner（）.

Marline is（）.

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If your vessel is dragging her anchor in a strong wind，you should（）.