2773Chemical EngineeringMedium
Preheating of ________ the flame temperature?
AEither the fuel or the air or both, increases
BCombustion air decreases
CEither the fuel or the air does not affect
DThe gaseous fuel before combustion decreases
Correct answer
A. Either the fuel or the air or both, increases
Explanation
The correct answer is Either the fuel or the air or both, increases.