A、to their final position with the winch operating at slow speed
B、to the bar stop，and then hand cranked to their final position
C、until just before they make contact with the limit switch，and then hand cranked to their final position
D、to the embarkation deck，and then hand cranked to their final position
更多“When hoisting a boat on gravity type davits using an electric motor driven winch，the davit arms should be brought up（）.”相关的问题
A、hoisting cargo aboard a vessel B、hoisting personnel aboard a vessel C、securing a small boat to a large vessel D、hoisting the anchor
A、On board national flags should be hoisted when the sun sets. B、On board national flags should be hoisted when the sun rises. C、On board national flags should be lowered when the ship is in port. D、On board national flags should be hoisted flag when loading and discharging
A、The ensign should be hoisted when the sun rises. B、The ensign should be lowered when the sun rises. C、The ensign should be hoisted when the sun sets. D、The ensign should be lowered when the sun sets.
A、The ensign should be hoisted when the sun rises. B、The ensign should be lowered when the sun rises. C、The ensign should be hoisted when the sun sets. D、The ensign should be lowered when the sun sets.
A、Get ready for lowering the boat. B、The muster station is usually on the boat deck. C、The cable is leading straight ahead. D、Hoist the anchor ball.
A、A.Hoist the boat clear of the cradle B、B.Release the outboard part of the cradle C、C.Rig the tricing lines D、D.Crank the crescent out
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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