problem 1:

Illustrate the vehicle population in metropolitan cities on pollution.

problem 2:

Illustrate the effects of various types pollutions on human health and environment.

problem 3:

How the carbon monoxide emission formed in the SI engine? Illustrate the effects of oxygen concentration on CO formation in SI engine.

problem 4:

Illustrate the effects of spark plug location and spark timing on NO formation in SI engine

problem 5:

prepare down short notes on the two stroke engine pollution.

problem 6:

Discuss the effect of Cetane number, injection timing and compression ratio on emission formation in CI engines.