Improper cooling of a diesel engine cylinder liner due to the accumulation of scale deposits may cause ().
- Alow compression pressure
- Bincreased piston wear
- Cincreased cylinder lube oil consumption
- Dpoor contact between compression rings and liner
Improper cooling of a diesel engine cylinder liner due to the accumulation of scale deposits may cause ().
1、After-cooling of a turbocharged diesel
After-cooling of a turbocharged diesel engine will result in ()Ahigher torque but lower brake horsepowerBlower torque but higher brake horsepowerChigher torque and lower brake horsepowerDlower torque and higher brake horsepower
2、In a diesel engine cooling water syste
In a diesel engine cooling water system, a pH of 60 indicates a/an ().Aslightly acidic conditionBslightly alkaline conditionCovertreatment of waterDneutral condition of water
3、The crankcase of many diesel engines a
The crankcase of many diesel engines are kept under a slight vacuum by the ().Ascavenging action of the pistonBpiston type vacuum pump taking suction off a differential manometerCgland exhausting manometerDcrankcase exhaust fa
4、Maximum horsepower of a diesel engine
Maximum horsepower of a diesel engine is attained ().Awhen the engine RPM is pulled down by overloadBat rated engine RPMCat 95 % of rated engine RPMDat 95 % of a properly adjusted governor RPM with the engine under full load
5、The exhaust system of a diesel engine
The exhaust system of a diesel engine is usually designed to remove exhaust gases and to ()Aprovide exhaust back pressureBprevent exhaust smoke emissionsCpower a reciprocating superchargerDmuffle exhaust gas noise
6、The cooling water of the diesel engine
The cooling water of the diesel engine should be treated, because it has()Aalkale scenceBacidityCsalinityDimpurity