GATE CE 2026 CE Q27: Air Pollution

Column I presents common air pollutants, and column II presents treatment technologies commonly employed to control air pollutants.

Air pollutant	Treatment technology
1	Dust (size 5-25 m)	P	Cyclone separator
2	Carbon monoxide (CO)	Q	Wet lime-water scrubber
3	Sulfur dioxide (SO )	R	Electrostatic precipitator
4	Fly ash (size < 2.5 m)	S	Catalytic converter

The option that CORRECTLY matches the air pollutant with its treatment technology is:

Your answerChoose one option.

1 – P ; 2 – S ; 3 – Q ; 4 – R

1 – P ; 2 – R ; 3 – S ; 4 – Q

1 – R ; 2 – Q ; 3 – P ; 4 – S

1 – R ; 2 – Q ; 3 – S ; 4 – P

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

EXPLORE & PRACTISE

Paper and topic context

See where this question comes from and choose what to practise next.

Explore more previous year questions using this question’s imported topic tags.

You’re not logged in. Log in or create an account to see discussions and add comments.