單項(xiàng)選擇題

If a tow sinks in shallow water，you should（）.

A.release it immediately
B.attempt to beach it before it goes under
C.pay out cable until it's on the bottom and place a buoy on the upper end
D.shorten cable to keep it off the bottom

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單項(xiàng)選擇題

Ice blink is（）.

A.the dark appearance of the underside of a cloud layer due to reflection of a surface of open water
B.the soft light appearance on the underside of a cloud layer due to reflection from a surface of open water
C.the yellowish-white glare on the underside of a cloud layer
D.water sky

單項(xiàng)選擇題

For operations in pack ice，a vessel should（）.

A.be on an even keel
B.be trimmed slightly by the head
C.have a drag of not more than 60 - 90 centimeters
D.be ballasted so the forefoot is near the surface

If a tow sinks in shallow water，you should（）.

你可能感興趣的試題

Ice blink is（）.

For operations in pack ice，a vessel should（）.

If a tow sinks in shallow water，you should（）.

For operations in pack ice，a vessel should（）.