Crankcase explosion in I.C. engines usually 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

Question

Quizplus · Accepted Answer

Crankcase explosions in internal combustion engines typically occur as a two-stage process: initially, a mild explosion happens due to the ignition of oil mist within the crankcase, which then raises the pressure and temperature, leading to a more severe (big) explosion.

Crankcase Explosion in I.C. Engines Usually Occurs as