A.vanadium
B.carbon
C.copper
D.ash
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A.The amount of fuel injected will be increased
B.The start of injection will be retarded
C.The nozzle will permit fuel to dribble
D.The spray pattern will be distorted
A.speed droop
B.sensitivity
C.stability
D.promptness
A.proper fuel metering
B.complete fuel/air mixing
C.minimal fuel penetration
D.proper fuel timing
A.An increase in compression ratio will increase the ignition lag
B.An increase in compression ratio will decrease the ignition lag
C.A decrease in compression ratio will decrease the ignition lag
D.A decrease in ignition lag will increase the compression ratio
A.Settling
B.Straining
C.Spraying
D.Atomizing
最新試題
The minimum speed an engine must attain before ignition can occur depends upon （）.
A diesel engine is operating with excessively high exhaust temperatures at all cylindersTo correct this condition, you should FIRST （）.
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 （）.
Maximum horsepower of a diesel engine is attained （）.
The highest pressure in a diesel engine cylinder normally occurs （）.
When fuel oil has seriously contaminated a diesel engine lubricating oil, you should （）.
If a diesel engine is difficult to start and operates with the engine temperatures lower than normal, you should suspect that the （）.
When would the available energy of the exhaust gases of a two-stroke/cycle diesel engine be insufficient to drive an exhaust gas turbocharger, resulting in the incorrect amount of air for combustion?（）
For a given size engine, the two-stroke/cycle diesel engine will deliver more power than a four-stroke/cycle diesel engine because （）.