IC Engines and Nuclear Power Plants - Engineering

Q1:

In a four stroke cycle petrol engine, the expansion

A starts at top dead centre and ends at bottom dead centre

B starts at 30° before top dead centre and ends at 50° before bottom dead centre

C starts at 30° after top dead centre and ends at 50° after bottom dead centre

D may start and end anywhere

ANS:B - starts at 30° before top dead centre and ends at 50° before bottom dead centre

Explanation: No answer description is available.