A.proper fuel metering
B.complete fuel/air mixing
C.minimal fuel penetration
D.proper fuel timing
您可能感興趣的試卷
你可能感興趣的試題
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
A.misfiring
B.pre-ignition
C.interrupted scavenging
D.reduced scavenging
A.leaking exhaust valves
B.an overloaded cylinder
C.a clogged injector nozzle
D.all of the above
A.lube oil pump suction line
B.lube oil pump discharge line
C.bottom of the lube oil sump
D.outlet from the lube oil header
最新試題
Combustion knock can occur in the cylinders of a diesel engine under any condition permitting （）.
When fuel oil has seriously contaminated a diesel engine lubricating oil, you should （）.
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 （）.
Diesel engine control can be obtained by the bridge （）.
A diesel engine piston ring face is in direct contact with the （）.
If a diesel engine is difficult to start and operates with the engine temperatures lower than normal, you should suspect that the （）.
Engine protection by means of an alarm or shutdown control can be obtained with devices that are sensitive to （）.
The ability of the governor to prevent fluctuations in engine speed is termed （）.
Combustion knock occurring in a diesel engine can be caused by （）.