Environmental Engineering in CE The average thickness of ozone layer in stratosphere is about __________ dobson unit (DU). 1500 750 230 20 1500 750 230 20 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The permissible color for domestic water supply is __________ ppm. 1 20 1000 100 1 20 1000 100 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is an adsorbant for removal of nitrogen oxides from gas/air? Pulverised limestone Active carbon Bog iron (iron oxide) Silica gel Pulverised limestone Active carbon Bog iron (iron oxide) Silica gel ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Smog is not formed due to the presence of __________ in the atmosphere. NOx CO₂ SO₂ Any of these NOx CO₂ SO₂ Any of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Maximum permissible residual chlorine in treated water should be __________ mg/litre. 2 to 3 5 to 10 0.001 to 0.01 02 to 0.3 2 to 3 5 to 10 0.001 to 0.01 02 to 0.3 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Average human body contains about __________ percent water by weight. 85 20 70 40 85 20 70 40 ANSWER DOWNLOAD EXAMIANS APP
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