單項選擇題To inflate a davit launched liferaft you().

A.initially connect the compressed air nozzle to the inflation tube
B.pull the inflation lanyard
C.connect the hand pump to the inflation tube and pump it up
D.connect the helium nozzle to the inflation tube


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1.單項選擇題The worst atmospheric condition for dispersion of H2S is().

A.heavy rain
B.gusty winds with rain
C.nearly calm,clear nights or early morning
D.full sun with high winds

3.單項選擇題The operating cord on an inflatable liferaft also serves as a().

A.lifeline
B.painter
C.drogue
D.marker

4.單項選擇題The most important thing to remember when launching an inflatable liferaft by hand is to().

A.open the CO2 inflation valve
B.open the raft container
C.ensure that the operating cord is secured to the vessel
D.inflate the raft on the vessel,then lower it over the side

5.單項選擇題The most important reason for taking anti-seasickness pills as soon as possible after entering a liferaft is to().

A.assist in sleeping
B.reduce appetite by decreasing nausea
C.prevent loss of body moisture by vomiting
D.prevent impaired judgement due to motion-induced deliriousness