Environmental Engineering in CE Water filtration rate in a slow sand filter ranges from __________ litres/m²/hr. 1500 to 2500 100 to 200 10 to 20 4000 to 5000 1500 to 2500 100 to 200 10 to 20 4000 to 5000 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE TLV of ammonia, nitrogen dioxide and phenol vapor in air is __________ ppm. 1000 5 2000 100 1000 5 2000 100 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Sulphur dioxide present in the industrial chimney exhaust gases causes Reduction in plant's productivity owing to acid rain Corrosion of building materials Respiratory & lung disease All of these Reduction in plant's productivity owing to acid rain Corrosion of building materials Respiratory & lung disease All of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The effect of increase in carbon dioxide level of the atmosphere and its profound effect on our climate is called the Global warming Both B and C Catalytic conversion Green house effect Global warming Both B and C Catalytic conversion Green house effect ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Beyond what concentration of H₂S in air, acute danger to human life exists? 50 ppm 300 ppm 700 ppm 100 ppm 50 ppm 300 ppm 700 ppm 100 ppm ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE When the concentration of SO₂ in air is greater than __________ ppm, it gives a pungent smell. 0.1 4 0.01 1 0.1 4 0.01 1 ANSWER DOWNLOAD EXAMIANS APP
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