Question

Explain the mixture requirements with necessary graphs for steady state operation

Answer 1

Air-fuel Requirement in SI Engines

The spark-ignition automobile engines run on a mixture of gasoline and air. The amount of mixture the engine can take in depends upon following major factors:

(i) Engine displacement.

(ii) Maximum revolution per minute (rpm) of engine. (Hi) Carburettor air flow capacity.

(iu) Volumetric efficiency of engine.