Pollution by particulate matter emission in the atmosphere does not take place during metal____________________?
Correct answer: C. Polishing
- A. Grinding
- B. Machining
- C. Polishing
- D. Cutting
Explanation
Metal grinding, machining and cutting can fracture or remove metal and generate airborne particulate matter. Polishing generally produces much less particulate emission than these material-removal operations, so it is the intended exception.
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
Arsenic pollutant is not generated in _______________ industries?
The pH value of oxidised sewage is about_____________________?
Growth of ______________ is promoted by the presence of manganese in water?
Main pollutant present in automobile exhaust is_________________?
Scale formation in boiler is controlled by____________________?
Noise level heard at a distance of about 100 metres from a jet engine with after burner is about _____________ decibels?