In the four-stroke engine, it takes () to make one power stroke.
- Aone propulsion
- Btwo propulsions
- Ctwo revolutions
- Done revolutio
In the four-stroke engine, it takes () to make one power stroke.
1、For an ordinary four-stroke engine the
For an ordinary four-stroke engine the exhaust valves open ().Aafter TDCBbefore TDCCafter BDCDbefore BDC
2、In a four-stroke engine the camshaft r
In a four-stroke engine the camshaft rotates at ().Ahalf the engine speedBtwice the engine speedCthe engine speedDfour times the engine speed
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 four-stroke/cycle diesel engine,
In a four-stroke/cycle diesel engine, badly worn intake valve guides can cause excessive().Aexhaust pressureBexhaust temperaturesCcooling water temperaturesDlube oil consumptio
5、With four-stroke engines, it takes fou
With four-stroke engines, it takes four revolutions of the crank shaft to make () power stroke(s).A1B2C4D8
6、The Consignee will take it for()that t
The Consignee will take it for()that the shortage is true.AgrantBgrantingCgrantedDgrant