Environmental Engineering in CE Which of the following is not a source of ozone emission in the atmosphere? Dermatological photo-therapy equipments Xerox machines High voltage electrical equipments Refrigerators Dermatological photo-therapy equipments Xerox machines High voltage electrical equipments Refrigerators ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The Killer gas which caused Bhopal gas tragedy in 1984 was Sulphur dioxide Carbon monoxide Methyl iso-cynate (MIC) Phosgene Sulphur dioxide Carbon monoxide Methyl iso-cynate (MIC) Phosgene ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Polluted water having low BOD are most economically treated in Clarifier Sedimentation tanks Oxidation ponds Sludge digester Clarifier Sedimentation tanks Oxidation ponds Sludge digester ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE __________ plant emits large amount of SO₂ as an air pollutant. Nitric acid Iron & steel Chloralkali Sulphuric acid Nitric acid Iron & steel Chloralkali Sulphuric acid ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE As per the world health organisation (WHO) specification, the maximum permissible concentration (i.e., TLV) of particulate matter in air is __________ μg/m³.(μg-microgram) 800 10 750 90 800 10 750 90 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE If the coli form bacteria is present in a sample of water, then the coli-form test to be conducted is(i) Presumptive coli-form test(ii) Confirmed coli-form test(iii) Completed coli-form test All (i), (ii) and (iii) Both (i) and (iii) Both (i) and (ii) Only (i) All (i), (ii) and (iii) Both (i) and (iii) Both (i) and (ii) Only (i) ANSWER DOWNLOAD EXAMIANS APP
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