Preheating of combustion air is done to – McqOptions

MCQOPTIONS

1.	Preheating of combustion air is done to
A.	increase the adiabatic flame temperature.
B.	increase the calorific value of the fuel.
C.	complete the combustion of fuel.
D.	reduce its requirement for effecting the complete combustion.
Answer» B. increase the calorific value of the fuel.

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