After-cooling of a turbocharged diesel engine will result in

[单选题]The cooling water of the diesel engine should be treated with chemical, because it contains .A．alkaliB．acidityC．salinityD．impurity

[单选题]Improper cooling of a diesel engine cylinder liner due to the accumulation of scale deposits may cause （）.A . low compression pressureB . increased piston wearC . increased cylinder lube oil consumptionD . poor contact between compression rings and l

[单选题]In a diesel engine cooling water system, a pH of 60 indicates a/an （）.A . slightly acidic conditionB . slightly alkaline conditionC . overtreatment of waterD . neutral condition of water

[单选题]For diesel engine piston cooling, lubricating oil can be supplied to the pistons by a/an （）.A . oil sprayB . oil bathC . oil control ringsD . drilled passage through the camshaft

[单选题]A diesel engine cooling water system with a pH factor of 30 indicates a condition of （）.A . slight acidityB . slight alkalinityC . excessive alkalinityD . excessive acidity

[单选题]High diesel engine cooling water temperatures can be caused by （）.A . a worn water pumpB . not enough coolantC . air in the cooling systemD . all of the above

[单选题]Immediately after any diesel engine is started, the engineer should check the （）A . crankcase pressureB . lube oil pressureC . saltwater pressureD . exhaust temperature

[单选题]In a main propulsion turbocharged diesel engine, the speed of the turbocharger varies according to the _____.A．governor droopB．speeder spring tensionC．fuel rack lagD．load on the engine

[单选题]Cooling of engine is achieved by circulation a cooling liquid around internal passages within the （）.A . boilerB . heaterC . engineD . cooler

A supercharged diesel engine when compared to a similar naturally aspirated dies