In diesel engine, ignition is caused by

A. Spark

B. Automatic starter

C. Compression

D. Friction

Answer: Option C

Solution(By Examveda Team)

The diesel engine (also known as a compression-ignition or CI engine), named after Rudolf Diesel, is an internal combustion engine in which ignition of the fuel is caused by the elevated temperature of the air in the cylinder due to the mechanical compression (adiabatic compression).