單項(xiàng)選擇題A new coil of nylon line should be opened by().

A.pulling the end up through the eye of the coil
B.taking a strain on both ends
C.uncoiling from the outside with the coil standing on end
D.unreeling from a spool


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1.單項(xiàng)選擇題A preson who sees someone fall overboard should().

A.call for help and keep the individual in sight
B.run to the radio room to send an emergency message
C.immediately jump in the water to assist the individual
D.go to the bridge for the

2.單項(xiàng)選擇題A portable dry chemical fire extinguisher discharges by().

A.gravity when the extinguisher is turned upside down
B.pressure from a small CO2 cartridge on the extinguisher
C.air pressure from the hand pump attached to the extinguisher
D.pressure from the reaction when water is mixed with the chemical

3.單項(xiàng)選擇題A portable foam (stored-pressure type) fire extinguisher would be most useful in combating a fire in().

A.generators
B.oil drums
C.the bridge
D.combustible metals

4.單項(xiàng)選擇題A position obtained by applying only your vessel’s coures and speed to a known position is a().

A.dead-reckoning position
B.fix B.estimated position
C.probable position
D.running fix

5.單項(xiàng)選擇題A right-handed propeller will cause the survival craft to().

A.walk the stern to starboard in reverse
B.walk the stern to port in reverse
C.run faster than a lefe-handed propeller
D.right itself if capsized