Question

Principle and operations of combined control unit in aircraft

Answer 1

Air–fuel ratio (AFR) is the mass ratio of air to a solid, liquid, or gaseous fuel present in acombustion process. The combustion may take place in a controlled manner such as in an internal combustion engine or industrial furnace, or may result in an explosion (e.g., adust explosion, gas or vapour explosion or in a thermobaric weapon).