An increase in load on a diesel engine results in （） of speed of the crankshaft.

A、A.a reduction

B、B.an increase

C、C.an outing

D、D.a downwards

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更多“An increase in load on a diesel engine results in （） of speed of the crankshaft.”相关的问题

第1题

[] When the prime movers of two paralleled generators are equipped with mechanical- hydraulic governors, and are operating within their designed range, the unit with the least amount of speed droop will （）.

A、A.pick up more of any increase in load B、B.pick up less of any increase in load C、C.share an equal amount of any increase in load D、D.drop an equal amount of any decrease in load

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第2题

[单选题] An increase in the load on a turbocharged diesel engine operating at constant speed will result in an increase in （）

A、exhaust B、air box pressure C、brake main effective pressure D、all of the above

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第3题

[单选题] If the result of loading a vessel is an increase in the height of the center of gravity,there will always be an increase in the（）.

A、metacentric height B、righting arm C、righting moment D、vertical moment

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第4题

[单选题] A reduction in load on a diesel engine results in （） of speed of the crankshaft.

A、a reduction B、an increase C、an outing D、a downwards

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第5题

[单选题] One result of operating a diesel engine at light load with excessively low cooling water temperature is a/an （）

A、decrease in ignition lag B、increase in fuel economy C、reduction in lube oil viscosity D、increase in cylinder misfiring

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第6题

[单选题] The instantaneous reduction in voltage of an AC generator, resulting from an increase in load, and prior to the automatic voltage regulator correcting the situation, is called voltage （）.

A、droop B、drop C、dip D、regulation

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第7题

[单选题] An increase in the heat load to a refrigeration system will cause （）.

A、the suction pressure to decrease B、the suction temperature to increase C、increased ice formation on the evaporator coil D、excessive short cycling of the compressor

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第8题

[单选题] When the heat load begins to increase, the needle valve of an expansion valve will（）

A、move in an opening direction B、move in a closing direction C、either open or close D、not move at all

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第9题

[单选题] A spring-loaded centrifugal flyweight governor responds to reduced engine load with an immediate increase in （）

A、pilot valve oil pressure B、speeder spring force C、compensation needle valve clearance D、centrifugal force on the flyweights

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