A.holed
B.fouled
C.clean
D.dry
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A.Defective temperature controls in the system
B.Cavitation in the cooling water pump
C.Opened vent in the cooling system
D.Restricted water passages in the engine
A.cylinder compression pressure may not be high enough
B.cylinder compression temperature may be too high
C.fuel oil injection pressure may not be high enough
D.scavenge and purge process is incomplete
A.reduce engine horsepower output
B.aid in silencing the exhaust noise
C.increase the mean effective pressure
D.contribute to effective cylinder scavenging
A.engine overload
B.low combustion temperature
C.plugged fuel nozzle holes
D.excessive compression pressure
A.controlling the amount of fuel injected into the cylinders
B.varying the speed of the turbocharger
C.adjusting the compression ratio
D.changing the timing of the fuel injection camshaft
最新試題
When fuel oil has seriously contaminated a diesel engine lubricating oil, you should （）.
The minimum speed an engine must attain before ignition can occur depends upon （）.
In diesel engines, the four basic events (intake, compression, power and exhaust) are performed once in （）.
Proper filtering and straining of fuel oil is important because the （）.
For a given size engine, the two-stroke/cycle diesel engine will deliver more power than a four-stroke/cycle diesel engine because （）.
A thrust bearing is used with a propulsion diesel engine to （）.
A diesel engine piston ring face is in direct contact with the （）.
Combustion knock occurring in a diesel engine can be caused by （）.
Maximum horsepower of a diesel engine is attained （）.
White smoke exhausting from an operating diesel engine may indicate （）.