Overfire burning in a furnace is a phenomenon characterised by____________________?
Correct answer: C. Burning carbon monoxide and other incombustible in upper zone of furnace by supplying
- A. Supply of excess fuel
- B. Supply of excess air
- C. Burning carbon monoxide and other incombustible in upper zone of furnace by supplying
- D. more air
- E. None of these
Explanation
Overfire burning occurs when carbon monoxide and other unburned combustibles burn in the upper furnace zone after additional air is supplied there. Thus, the defining action is supplying more air above the main combustion zone.
Report an error
The more specific you are, the faster it gets fixed. A source beats an opinion.
Prefer email? support@testustad.com
Practise Plant Design and Economics
803 free Plant Design and Economics 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 Plant Design and Economics questions
Regenerators are normally provided in the____________________?
Which furnace employs preheating, heating and soaking zones ?
The average thickness of ozone layer in stratosphere is about _______________ dobson unit (DU)?
Which is a continuous furnace ?
Turndown ratio of a burner gives an idea of the ______________ in the furnace?
A refractory wall separating the stock and the source of heat is provided in a__________________?