单项选择题
A.compression pressures are below normal B.lube oil is diluted with fuel oil C.cranking speed is too low D.exhaust system is partially restricted
Routine monitoring of a diesel engine should include （）...
单项选择题Routine monitoring of a diesel engine should include （）.
A.checking for leaks B.checking temperatures and pressures C.listening for abnormal noises D.all of the above
A diesel engine is operating with excessively high exha...
单项选择题A diesel engine is operating with excessively high exhaust temperatures at all cylindersTo correct this condition, you should FIRST （）.
A.reduce the engine load B.increase the cooling water flow C.increase the lube oil pressure D.adjust the fuel rack
The function of diesel engine piston compression rings ...
单项选择题The function of diesel engine piston compression rings is to （）.
A.prevent piston side thrust B.prevent engine friction losses C.transmit heat from the piston to the cylinder liner D.remove oil from the cylinder combustion space
