Mechanical gearing of deck machinery such as the windlass or boat hoists should（）.

A、A.be open to view so，if a foreign object gets in the gearing，the operator can immediately stop the machinery

B、B.have a guard over the gearing

C、C.be painted a contrasting color from the base color in order to call attention to the gearing

D、D.not be operated if there is any crew within 10 feet of the machinery

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更多“Mechanical gearing of deck machinery such as the windlass or boat hoists should（）.”相关的问题

第1题

[单选题] Most totally enclosed lifeboats are equipped with which of the following? （）

A、Tanks for the storage of drinking water B、Ballast tanks to prevent the boat from capsizing C、A hydraulic start diesel engine D、Auxiliary mechanical propulsion (Fleming gear)

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第2题

[单选题] The majority of automatic mooring winches are spur geared to improve the backward efficiency of the gear train for rendering（）

A、spur geared B、screw geared C、worm geared D、belt driven

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第3题

[单选题] After seeing that the gears are free to engage ,put the windlass（） .

A、into gear B、for gear C、on D、gearing

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第4题

[单选题] Make sure that the windlass is（）（脱开离合器）.

A、out of gear B、in the gear C、in gear D、turn the gear

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第5题

[单选题] He said that he had turned the main engine one complete revolution with the （）.

A、turning gear B、steering gear C、spur gear D、chain gear

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第6题

[单选题] Pitting in the area close to the pitch line and on the same end of each gear tooth of a reduction gear unit would be caused by （）

A、corrosion on the gears B、excessive gear speed C、dirt in the oil D、misalignment of the gears

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第7题

[单选题] A centrifugal pump produces flow with a resulting discharge head by energy conversionIt is typical for the energy conversion to follow the order of （）.

A、mechanical energy to kinetic energy to potential energy B、mechanical energy to potential energy to kinetic energy C、potential energy to mechanical energy to kinetic energy D、kinetic energy to mechanical energy to potential energy