Multiple choice

In which of the following stages, an explosion in the combustion chamber occurs?

  1. Intake stroke

  2. Compression stroke

  3. Power stroke

  4. Exhaust stroke

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

A spark is produced at the TDC by spark plug, which ignites the compressed air-fuel mixture. This creates an explosion in the combustion chamber. This force gushes the piston towards BDC.