Which of the following is not increased by using preheated combustion – McqOptions

MCQOPTIONS

1.	Which of the following is not increased by using preheated combustion air in place of ordinary air at room temperature?
A.	alorific value of the fuel
B.	lame temperature achieved
C.	peed of combustion of fuel
D.	eat transfer rate to the stock in the furnace
Answer» B. lame temperature achieved

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