A.525 RPM
B.775 RPM
C.1550 RPM
D.1800 RPM
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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
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
最新試題
What causes diesel fuel to be ignited in the cylinder of an operating diesel engine?（）
Electrically operated safety devices on auxiliary diesel engines function to stop the engine by （）.
To determine if the lube oil filter elements need changing, （）.
The ability of the governor to prevent fluctuations in engine speed is termed （）.
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 （）.
If the main engine of an unattended engine room shuts down automatically, it will be indicated by an alarm （）.
The minimum speed an engine must attain before ignition can occur depends upon （）.
Maximum horsepower of a diesel engine is attained （）.
The function of diesel engine piston compression rings is to （）.