單項(xiàng)選擇題When whistle signals are used for launching lifeboats，one short blast means（）.

A.use the float-free method only
B.lower all boats
C.raise all boats
D.drill is over，secure all boats


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1.單項(xiàng)選擇題When should you use distress flares and rockets?（）

A.Only when there is a chance of their being seen by rescue vessels
B.At half-hour intervals
C.At one-hour intervals
D.Immediately upon abandoning the vessel

2.單項(xiàng)選擇題When launching a lifeboat，the tricing pennants should be released（）.

A.before the boat is lowered from the stowed position
B.as the boat-fall blocks break clear of the davit head
C.before the boat is lowered from the embarkation level
D.after the boat is released into the water

3.單項(xiàng)選擇題When landing a lifeboat through heavy surf with a strong current running parallel to the beach (from right to left when facing from seaward) the recommended procedure is to（）.

A.approach while coming to the left to take advantage of the current
B.drop an anchor outside the surf line，then pay out anchor line over the bow while the seas carry the boat toward the beach
C.approach slow enough so that the boat can be brought around to meet breaking seas on the bow
D.rig a drogue with tripping line over the bow，back ashore with drogue tripped between breakers

4.單項(xiàng)選擇題When a man who has fallen overboard is being picked up by a lifeboat，the boat should approach with the wind（）.

A.astern and the victim just off the bow
B.ahead and the victim just off the bow
C.just off the bow and the victim to windward
D.just off the bow and the victim to leeward

5.單項(xiàng)選擇題What should be used to steer an open lifeboat if the rudder becomes lost or damaged?（）

A.Sea anchor
B.Steering oar
C.Spare rudder
D.Dagger board