Detonation is caused by the following unstable compounds______________________?

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The inlet value of a four stroke cycle I.C engine remains open for nearly___________________?

A. 180° B. 125° C. 235° D. 200° E. 275°...

A hmh flame speed is obtained in diesel engine when air fuel ratio is_______________?

A. uniform throughout the mixture B. chemically correct mixture C. about 3-5% rich mixture D. about 10% rich mixture E. about 10% lean mixture...

The output of a diesel engine can be increased without increasing the engine revolution or size in following way_________________?

A. feeding more fuel B. increasing flywheel size C. heating incoming air D. scavenging E. supercharging...

In a naturally aspirated diesel engine, the air is supplied by________________?

A. a supercharger B. a centrifugal blower C. a vacuum chamber D. an injection tube E. forced chamber...

The spark plug gap is normally maintained at________________?

A. 0.1 to 0.2 mm B. 0.2 to 0.4 mm C. 0.45 to 0.6 mm D. 0.6 to 0.8 mm E. 0.8 to 1 mm...