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Crankcase explosion in I.C. engines usuall occurs as ___________________?

A. first a mild explosion followed by a bi explosion

B. first a big explosion followed by a mil explosion

C. both mild and big explosions occi simultaneously

D. never occurs

E. unpredictable

Related Questions on IC Engines Mcqs

Supercharging is the process of_____________________?

A. supplying the intake of an engine with air at a density greater than the density of the surrounding atmosphere

B. providing forced cooling air

C. injecting excess fuel for raising more load

D. supplying compressed air to remove combustion products fully

E. raising exhaust pressure

Compression ratio of LC. engines is ___________________?

A. the ratio of volumes of air in cylinder before compression stroke and after compression stroke

B. volume displaced by piston per stroke and clearance volume in cylinder

C. ratio of pressure after compression and before compression

D. swept volume/cylinder volume

E. cylinder volume/swept volume