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
The ability of the governor to prevent fluctuations in engine speed is termed （）.
In a simple mechanical governor, the （）.
A diesel engine piston ring face is in direct contact with the （）.
The highest pressure in a diesel engine cylinder normally occurs （）.
Engine protection by means of an alarm or shutdown control can be obtained with devices that are sensitive to （）.
If a diesel engine is difficult to start and operates with the engine temperatures lower than normal, you should suspect that the （）.
To determine if the lube oil filter elements need changing, （）.
For a given size engine, the two-stroke/cycle diesel engine will deliver more power than a four-stroke/cycle diesel engine because （）.
When fuel oil has seriously contaminated a diesel engine lubricating oil, you should （）.
The main purpose of the piston oil scraper rings is to （）.