Air pollution is severe in
Air pollution is severe in
Air Pollution MCQs
According to EPA of USA, the following is not one of the six major pollutants?
According to EPA of USA, the following is not one of the six major pollutants?
According to EPA of USA, the following is not one of the six major pollutants? Read More »
The maximum permissible noise level to which a man working in a chemical plant can be exposed for eight hours per day is about __________ decibels.
The maximum permissible noise level to which a man working in a chemical plant can be exposed for eight hours per day is about __________ decibels.
Ringelmann chart No. 2 corresponds to __________ percent black smoke.
Ringelmann chart No. 2 corresponds to __________ percent black smoke.
Ringelmann chart No. 2 corresponds to __________ percent black smoke. Read More »
Maximum permissible residual chlorine in treated water should be __________ mg/liter.
Maximum permissible residual chlorine in treated water should be __________ mg/liter.
Maximum permissible residual chlorine in treated water should be __________ mg/liter. Read More »
Which of the following gases does not exhibit green house effect?
Q. Green House gases blanket/block the infrared radiation from earth’s surface to the atmosphere leading to its progressive warming up. Which of the following gases does not exhibit green house effect?
Which of the following gases does not exhibit green house effect? Read More »
Photochemical smog is formed from automobile exhaust
Photochemical smog is formed from automobile exhaust
Photochemical smog is formed from automobile exhaust Read More »
Inhalation of silica dust by human being during hand drilling in mica mining, lead & zinc mining, silica refractory manufacture and in foundries causes
Inhalation of silica dust by human being during hand drilling in mica mining, lead & zinc mining, silica refractory manufacture and in foundries causes
Disinfection of water is done to destroy pathogenic bacteria and thus prevent water-borne diseases. Disinfection of water may be done by the use of
Disinfection of water is done to destroy pathogenic bacteria and thus prevent water-borne diseases. Disinfection of water may be done by the use of