coefficient of excess वाक्य

उदाहरण वाक्य

1. Coefficient of excess air
2. There are 3 parts of heat loss for gas boiler , including heat emission loss , uncompleted burning loss and fume hot loss , uncompleted burning loss decreases following the increase of excess air coefficient , while fume hot loss increases . it is obvious that there exit an optimum coefficient of excess air which make boiler own highest efficiency which is the purpose of burning control