Four strokes consist of suction, compr

1、In four strokes engine, the cycle of e

In four strokes engine, the cycle of events is completed in four strokes of （）.Athe cylinderBthe crankshaftCthe pistonDthe cross-head

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 the suction stroke air is induced i

In the suction stroke air is induced into the cylinder （）In the compression stroke the air is compressed.Aby an fuel valveBthrough an inlet valveCwith an exhaust valveDfrom an outlet valve

4、Turbocharged four-stroke/cycle diesel

Turbocharged four-stroke/cycle diesel engines utilize valve overlap for（）.Aimproving cylinder scavengingBpreheating the combustion chamberCreducing air charge densityDpreventing valve wear

5、Marine four-stroke diesel engines are

Marine four-stroke diesel engines are mainly （）.Aof crosshead typeBof trunk piston typeCof low speed typeDall the above

6、If the turbocharger of a four-stroke/c

If the turbocharger of a four-stroke/cycle diesel engine fails to operate, which of the following statements best describes the probable effect?...