Furnace oil consumption in a furnace for a given duty employing preheated combination air (at 300°) may be reduced by about ______________ percent as compared to the use of atmospheric combustion air?
Correct answer: C. 20
- A. 5
- B. 10
- C. 20
- D. 35
Explanation
Preheating combustion air supplies part of the required heat before combustion, reducing the furnace fuel demand for the same duty. At about 300°C air preheat, the usual estimated saving is approximately 20%.
Report an error
The more specific you are, the faster it gets fixed. A source beats an opinion.
Prefer email? [email protected]
Practise Chemical Process Principles
2,710 free Chemical Process Principles MCQs from Chemical Engineering, each with the correct answer and an explanation. Unlimited attempts, no account needed.
Discussion
Stuck on an option, or know a faster way to get there? Ask or explain it here.
No comments yet. Be the first to explain this one.
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 Chemical Process Principles questions
Coke made in narrower by-product coke ovens (as compared to wider ovens) is _____________________?
_____________ present in coal is not determined in its ultimate analysis ?
Calorific value of ____________________?
In low temperature carbonisation of coal, the________________?
Which of the following is a single stage, fixed bed high pressure coal gasification process ?
Blast furnace gas constitutes mainly of_________________?