单项选择题
Forcing the exhaust gases form the cylinder of an operating diesel engine with the aid of a blower is known as （）
A.scavenging
B.forced draft
C.turbo-charging
D.aspiration
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相关考题
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单项选择题
In a four-stroke/cycle diesel engine, badly worn intake valve guides can cause excessive（）.
A.exhaust pressure
B.exhaust temperatures
C.cooling water temperatures
D.lube oil consumption -
单项选择题
Significant retardation of a diesel engine fuel injection timing will result in （）
A.smoother engine operation
B.advanced fuel ignition
C.increased fuel economy
D.reduced engine power -
单项选择题
Which of the following condition is likely to develop if the thermocouple element of a pyrometer becomes coated with excessive amounts of combustion by-products?（）
A.Indicated exhaust pressure readings will increase
B.Pyrometer responses will be retarded
C.Indicated cylinder temperature readings will increase
D.Indicated firing pressure readings will increase
