Higher furnace temperature cannot be achieved by use of a lean fuel gas in the furnace by_________________?
Correct answer: A. Increasing the draft in the furnace
- A. Increasing the draft in the furnace
- B. Preheating the fuel gas
- C. Oxygen enrichment of combustion air
- D. Preheating the combustion air
Explanation
Increasing furnace draft usually admits more excess air, which dilutes the fuel gas and lowers the adiabatic flame temperature. Preheating the gas or air and enriching air with oxygen reduce this temperature loss.
Report an error
The more specific you are, the faster it gets fixed. A source beats an opinion.
Prefer email? support@testustad.com
Practise Heat Transfer Operations
645 free Heat Transfer Operations MCQs from Chemical Engineering, each with the correct answer and an explanation. Unlimited attempts, no account needed.
Exams that ask Chemical Engineering questions like this
Chemical Engineering is on this paper prepared for on TestUstad, and all of them draw the same bank, so this question is worth knowing for it.
More Heat Transfer Operations questions
Heat transfer rate to the charge/stock in a furnace does not depend upon the________________?
Heat transfer takes place through a liquid medium surrounding the submerged material under heating, in case of a/an__________________?
The advantages of firing pulverised coal in the furnace lies in the fact that, it_____________________?
Overall thermal efficiency of a lumpy coal fired suitably designed heating furnace, if operated & maintained properly may be about ____________ percent?
An example of recuperative furnace is the__________________?
In a furnace employing forced draught as compared to induced draught______________________?