A cottrell precipitator makes use of the ______________ for dusty air cleaning?
Correct answer: A. Corona discharge
- A. Corona discharge
- B. Electric spark
- C. Alternating current
- D. None of these
Explanation
A Cottrell precipitator charges dust particles by corona discharge and then collects them on oppositely charged electrodes. An electric spark is uncontrolled and is not the intended cleaning mechanism.
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
Which of the following relationships between co-efficient of friction (μ) between rock & roll and a (half of the angle of nip) of the particle to be crushed is correct ?
Pine oil and Cresylic acid are used as ______________ in the froth floatation process?
Energy requirement (per unit mass of material crushed/ground) is highest for__________________?
Bucket elevators are not suitable for the vertical lifting of __________ materials?
A tube mill as compared to a ball mill__________________?
In case of grinding in a ball mill__________________?