單項選擇題A liferaft which has inflated bottom-up on the water（）.

A.should be righted by standing on the carbon dioxide cylinder，holding the righting straps and leaning backwards
B.should be righted by standing on the life line，holding the righting straps leaning backwards
C.will right itself when the canopy tube inflates
D.must be cleared of the buoyant equipment before it will right itself


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1.單項選擇題A lifeline must be connected to the liferaft （）.

A.at the bow
B.at the stern
C.in the middle
D.all around

2.單項選擇題A life float on a fishing vessel must be equipped with （）.

A.a painter
B.red smoke flares
C.a jackknife
D.a signal mirror

3.單項選擇題A life preserver or buoyant work vest is required to be worn on a ship when a person is （）.

A.working on the rig floor
B.working over water
C.working on the pipe racks
D.operating line throwing equipment

4.單項選擇題A latitude line will be obtained by observing a body （）.

A.on the prime vertical
B.on the celestial horizon
C.at lower transit
D.on the Greenwich meridian

5.單項選擇題A lashing used to secure two barges side by side，lashed in an "X" fashion，is called a （）.

A.quarter line
B.back line
C.peg line
D.jockey line