A、A.sheath-screw davit
B、B.gravity davit
C、C.radial davit
D、D.bruckner davit
更多“The type of davit on which you must turn a crank in order to swing the lifeboat out over the ship’s side is a（）.”相关的问题
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
A、To cut off the power when the davits hit the track safety stops B、To stop the davits from going too fast C、To cut off the power when the davits are about 12 inches or more from the track safety stops D、None of the above
A、Moisture accumulation in winch motor damaging the electrical wiring B、Freezing of gears in cold weather C、Corroding of sheaves on the davits so they will not rotate D、All of the above
A、The basic types of paint used on a ship are primer, undercoat and topcoat. B、The basic types of paint used on a ship are topside paint, undercoat and top coat. C、The basic types of paint used on a ship are boottopping, topside and undercoat. D、The basic types of paint used on a ship are cement wash, undercoat and topside.
A、The boat should be hoisted a few inches clear of the cradle before cranking out the davits B、The inboard gripes should be cast off before the outboard gripes C、The outboard section of the cradle must be released D、The tricing pendants will automatically bring the boat alongside at the embarkation deck
A、The type of application used on the network B、The type of system bus used by the computers C、The type of memory installed in each computer D、The type of media used in the network topology E、The type of protocols used in the network F、The physical layout of the network hosts
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