A.low firing pressure and low exhaust temperatures
B.low firing pressure and normal exhaust temperatures
C.high firing pressure and low exhaust temperatures
D.high firing pressure and high exhaust temperatures
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A.large conical springs
B.compressed air pressure
C.hydraulic pressure
D.exhaust gas pressure
A.hour
B.day
C.week
D.month
A.Engine is hard to start
B.Engine misses
C.Surges at governed RPM
D.Coolant temperature is too low
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
A.oil spray
B.oil bath
C.oil control rings
D.drilled passage through the camshaft
最新試題
Combustion knock occurring in a diesel engine can be caused by （）.
The most important factor in engine performance is the actual power output at the end of the crankshaft available for doing workThis is known as （）.
Proper filtering and straining of fuel oil is important because the （）.
In diesel engines, the four basic events (intake, compression, power and exhaust) are performed once in （）.
Engine protection by means of an alarm or shutdown control can be obtained with devices that are sensitive to （）.
Routine monitoring of a diesel engine should include （）.
A diesel engine piston ring face is in direct contact with the （）.
If a diesel engine is difficult to start and operates with the engine temperatures lower than normal, you should suspect that the （）.
What is the function of the thrust bearing?（）
When fuel oil has seriously contaminated a diesel engine lubricating oil, you should （）.