A.High oxygen concentration
B.Low pH
C.Proper alkalinity
D.All of the above
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A.525 RPM
B.775 RPM
C.1550 RPM
D.1800 RPM
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
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
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The function of diesel engine piston compression rings is to （）.
White smoke exhausting from an operating diesel engine may indicate （）.
An automated diesel engine should normally shut down due to （）
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Diesel engine control can be obtained by the bridge （）.
Lube oil filters remove contaminants more efficiently if the oil being filtered is （）.
If a diesel engine is difficult to start and operates with the engine temperatures lower than normal, you should suspect that the （）.
The minimum speed an engine must attain before ignition can occur depends upon （）.
Lube oil cannot be efficiently filtered if its （）.