The cooling water temperature () over a period of 8 hours, and then shut down.
- Ashould be gradually increased
- Bshould be gradually reduced
- Cshould be constantly kept
- Dshould be varied up and dow
The cooling water temperature () over a period of 8 hours, and then shut down.
1、The cooling water is in direct contact
The cooling water is in direct contact with the outer surface of the liner as a result of which it is termed a ().Awater linerBwet linerCdry linerDdrown liner
2、If the jacket water temperature rises
If the jacket water temperature rises rapidly above normal in a diesel engine, you should FIRST ()Aplace standby cooler in operationBreduce engine loadCcheck thermostatic valveDclean sea water strainer
3、When distilling sea water the cooling
When distilling sea water the cooling water discharging from the distiller is fed back to evaporator as feed water ().Ato decrease scale formationBfor better cooling effectCfor more economical purposeDto raise vacuum
4、If the cooling water temperature and t
If the cooling water temperature and the lube oil temperature in a diesel engine are too high, the cause can be ()Aa dirty lube oil strainerBinternal water leaksCan oil suction line restrictionDexcessive wears of the cooling water pum
5、The temperature at which water vapor i
The temperature at which water vapor in the atmosphere begins to condense is called the ().Adew point temperatureBcondensation temperatureCpsychometric temperatureDabsolute humidity temperature
6、The cooling water of the diesel engine
The cooling water of the diesel engine should be treated, because it has()Aalkale scenceBacidityCsalinityDimpurity