A.fuel pumps
B.cylinders
C.fuel strainers
D.all of above
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A.low TBN value
B.high alkaline reserve
C.low flash point
D.high pour point
A.up and draw in a fresh air charge
B.down to burn off fuel
C.down to compress the fuel air charge
D.up and force out the exhaust gases
A.late fuel injection
B.early fuel injection
C.high exhaust temperature from that cylinder
D.decreased effective stroke from that injector
In a diesel engine, exhaust valves open before the intake ports are uncovered to （）
Ⅰ.reduce pumping losses
Ⅱ.reduce back pressure
A.Ⅰonly
B.Ⅱonly
C.bothⅠand Ⅱ
D.neitherⅠnor Ⅱ
A.Intake manifold
B.Water-cooled exhaust system
C.After-cooler
D.Exhaust diffuser
最新試題
Engine parameters shall be corresponded to NOx Technical Files. This is required by （）
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By comparing the exhaust gas temperature of each cylinder, the operator can determine if the load is balanced throughout the engine. The device most commonly used is a（）
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