單項選擇題

On a turbo-charged, medium-speed diesel engine, which of the following problems is an indication of a restricted air intake passage?（）

A.Engine is hard to start
B.Engine misses
C.Surges at governed RPM
D.Coolant temperature is too low

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The jacket water temperature in a diesel engine closed freshwater cooling system is normally controlled by （）

A.regulating the level of corrosion inhibitor in the primary cooling system
B.the level of the freshwater expansion tank
C.varying the engine load to meet temperature requirements
D.the operation of the thermostatic valve

單項選擇題

For diesel engine piston cooling, lubricating oil can be supplied to the pistons by a/an （）.

A.oil spray
B.oil bath
C.oil control rings
D.drilled passage through the camshaft

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On a turbo-charged, medium-speed diesel engine, which of the following problems is an indication of a restricted air intake passage?（）

你可能感興趣的試題

The jacket water temperature in a diesel engine closed freshwater cooling system is normally controlled by （）

For diesel engine piston cooling, lubricating oil can be supplied to the pistons by a/an （）.