單項選擇題PULL THE STRINGS AROUND YOUR WAIST AND TIE IN FRONT. This description is likely used in().

A.fire fighting operations
B.salvage operations
C.cargo operations
D.manoeuvering operations


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1.單項選擇題Prior to lowering the lifeboat,the most important item to check is the().

A.oars
B.sail
C.boat plug
D.life preservers

2.單項選擇題On open lifeboats,the purpose of the wire stretched between the davit heads is to().

A.keep the movement of the davits at the same speed
B.keep the davits from slipping when they are in the stowed position
C.prevent vibration during lowering of the boat
D.support the manropes

3.單項選擇題On a passenger vessel,the vessel’s name must appear on().

A.ring life buoy
B.lifeboats
C.lifeboat oars
D.All of the above

4.單項選擇題Most lifeboats are equipped with().

A.unbalanced rudders
B.balanced rudders
C.contraguide rudders
D.straight rudders

5.單項選擇題Most covered lifeboats will right themselves after capsizing if the().

A.passengers are strapped to their seats
B.fuel tanks are not less than half full
C.sea anchor is deployed to windward
D.lower ballast tanks are filled with water