Scavenging in a four-stroke/cycle diesel engine occurs during the （）.
1、The camshaft on a four-stroke/cycle di
The camshaft on a four-stroke/cycle diesel engine provides a means to operate the （）.Afuel injectorsBexhaust valvesCintake valvesDall of the above
2、A turbocharged, four-stroke/cycle dies
A turbocharged, four-stroke/cycle diesel engine has a larger valve overlap than a naturally aspirated four-stroke/cycle diesel engine, in order to...
3、In a four-stroke cycle diesel engine t
In a four-stroke cycle diesel engine the intake valves open （）Abefore TDC and close after BDCBafter TDC and close after BDCCbefore TDC and close before BDCDafter TDC and close before BDC
4、In a single acting, four-stroke/cycle
In a single acting, four-stroke/cycle diesel engine, the power impulse in an individual cylinder occurs （）Aonce every crankshaft revolutionBonce every two crankshaft revolutionsConce every piston strokeDtwice every piston stroke
5、If a four-stroke/cycle diesel engine i
If a four-stroke/cycle diesel engine is started by injecting air into the cylinder, the pistons receiving the charge of starting air must be（）Aon the power strokeBon the exhaust strokeCat the end of the power strokeDat the start of the intake stroke
6、Clearance volume scavenging in a turbo
Clearance volume scavenging in a turbocharged, four-stroke/cycle diesel engine is accomplished （）.Aduring the valve overlap periodBwith only the exhaust valve openCat a pressure below atmosphericDwithout cooling the cylinders or pisto