engineering recuitment OSSC Combined Technical Services (ଓଡିଶା) Mock Test 2023-24 Environmental Engineering Air and Noise Pollution

Coal based thermal power stations pollute the atmosphere by adding

1

NO_X and SO₂

2

NO_X , SO₂ and SPM

3

NO_X , SO₂ , SPM and CO

4

NO_X , SPM and CO

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