单项选择题
When rigging a bosun’s chair，a tail block or lizard is used to（）.
A.guide the bosun's chair down a stay when applying a protective coating
B.run paint or tools up to a sailor in a chair with a heaving line
C.keep a bosun's chair from swinging with the ship's motion
D.reeve the gantline through
相关考题
-
单项选择题
When paying out nylon line from around the bitts（）.
A.stand clear of the bitts and use two or more round turns under your figure eights
B.you can surge the line even with a single turn
C.no extra turns are necessary since nylon has a high coefficient of friction
D.stand in the bight of the line -
单项选择题
When attempting to free an anchor jammed in the hawsepipe，the simplest method of freeing it may be（）.
A.Starting the disengaged windlass at high speed
B.Rigging a bull rope to pull it out
C.To grease the hawsepipe
D.To pry it loose with a short piece of pipe -
单项选择题
When a davit-launched raft is lowered from a ship，upon becoming waterborne，the raft is released by（）.
A.activating the release lock of the hook
B.pulling smartly on the knobbed cocking lanyard
C.the effects of buoyancy removing the weight of the raft from the hook
D.releasing the boarding flap and the bowsing lines
