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【单选题】

Sudden unloading of a diesel engine can cause().

A、decreased fuel efficiency

B、increased exhaust temperature

C、black smoke

D、overspeed trip

更多“Sudden unloading of a diesel engine can cause().”相关的问题
第1题

A、sudden evaporation of wax crystals in the lubricant  B、sudden evaporation of entrapped air in the lubricant  C、release of refrigerant from the oil/refrigerant mixture  D、release of dissolved lubricant from the refrigerant  

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第2题

A、which the sudden operational failure  B、that the sudden operational failure  C、the sudden operational failure  D、the sudden operational failure of which  

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第3题

A、The solenoid valves directs high pressure gas to the valve lifting device raising the suction valve off its seat and causing one specific cylinder to become unloaded  B、The solenoid valves directs high pressure gas to the underside of the unloading piston, causing it to rise and allowing the recirculating ports to be opened  C、When the solenoid valve becomes energized, the valve ports become closed, allowing discharge pressure to build up above the piston, shifting it and causing it to unload  D、The solenoid valve allows the refrigerant to pass from the suction chamber to the top of the unloader piston, causing the piston to lift and unload the cylinder  

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第4题

A、act of God  B、the Queen's enemies  C、inherent vice in the goods  D、the negligence of the owner of the goods  

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第5题

A、loss of field excitation  B、total loss of load  C、large increase in load  D、loss of steam pressure  

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第9题

A、hurrying  B、hurried  C、hurry  D、to hurry  

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