單項選擇題

Changing rescuers while carrying out artificial respiration should be done（）.

A.without losing the rhythm of respiration
B.only with the help of two other people
C.by not stopping the respiration for more than 5 minutes
D.at ten-minute intervals

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單項選擇題

Before personnel are lifted from a vessel in a personnel basket，the vessel should be（）.

A.directly under the boom
B.moving away from the boom
C.stopped dead in the water
D.tied to the boom

單項選擇題

After the boat is at the top of the davit heads，the davit arms begin moving up the tracks and are stopped by the（）.

A.hoist man
B.limit switch
C.brake handle
D.preventer bar

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Changing rescuers while carrying out artificial respiration should be done（）.

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Before personnel are lifted from a vessel in a personnel basket，the vessel should be（）.

After the boat is at the top of the davit heads，the davit arms begin moving up the tracks and are stopped by the（）.

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After the boat is at the top of the davit heads，the davit arms begin moving up the tracks and are stopped by the（）.