A mechanical davit is designed to automatically（）.

A、position the boat at the embarkation station

B、lift the boat off the inboard chocks

C、energize the winch for the falls

D、set the brake on the winch

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更多“A mechanical davit is designed to automatically（）.”相关的问题

第1题

[单选题] Limit switches are used on which davits?（）

A、Sheath-screw davits B、Gravity davits C、Radial davits D、Quadrantal davits

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第2题

[] 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（）.

A、A.sheath-screw davit B、B.gravity davit C、C.radial davit D、D.bruckner davit

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第3题

[单选题] What is the purpose of the limit switch on gravity davits?（）

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

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第4题

[单选题] On open lifeboats，the purpose of the wire stretched between the davit heads is to（）.

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