GATE ES 2022 ES Q47: Air pollution

According to the National Ambient Air Quality Standards (Central Pollution Control Board, Govt. of India, notification 2009) which of the following statement(s) is/are correct?

Your answerSelect all correct options. You can choose more than one.

SO₂ and NO₂ have annual average standards; while O₃ and CO have eight hour average standards.

SO₂ and CO have annual average standards; while O₃ and NO₂ have eight hour average standards.

SO₂ and CO have eight hour average standards; while O₃ and NO₂ have hourly average standards.

SO₂ and NO₂ have 24 hour average standards; while O₃ and CO have hourly average standards.

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Section: Environmental Science and Engineering
Question type: Multiple select (MSQ)
Marks: 2 marks

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Question 47: Air pollution

Question 47

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GATE ES 2022 · Paper 1

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environmental science

environmental engineering

sustainability

air pollution

air quality standards

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Question 47

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Paper and topic context

GATE ES 2022 · Paper 1

Practise related topics

environmental science

environmental engineering

sustainability

air pollution

air quality standards

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