单项选择题
A.right the craft in case of capsizing B.increase area for radar detection C.act as a sail in case of a power loss D.steady the craft in heavy seas
The locking pin that joins the parts of a detachable li...
单项选择题The locking pin that joins the parts of a detachable link is held in position by（）.
A.a tack weld B.the self-locking characteristics of its taper C.a cotter pin D.a lead plug
The lifeline of a life float or buoyant apparatusshall（...
单项选择题The lifeline of a life float or buoyant apparatusshall（）.
A.be at least 3/8 inch diameter and properly secured around the sides and ends of the device B.be festooned in bights not longer than three feet long C.have a seine float in each bight unless the line is an inherently buoyant material D.All of the above
The lay of a line refers to（）.A.its normal location of ...
单项选择题The lay of a line refers to（）.
A.its normal location of stowage B.the direction of twist in the strands C.the manner in which it is coiled D.the manner in which it is rigged
