Environmental Engineering in CE TLV of mercury in potable (drinking) water is about __________ ppm. 0.1 5 1 0.001 0.1 5 1 0.001 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE CFC (chloro fluoro carbon) is very highly reactive in causing depletion of ozone layer in the atmosphere. Each atom of chlorine liberated from CFC is capable of decomposing __________ molecules of ozones. 10⁵ 10¹⁵ 10⁹ 10² 10⁵ 10¹⁵ 10⁹ 10² ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The pH value of potable water should be between 13 to 14 6.5 to 8 4 to 5 1 to 1.5 13 to 14 6.5 to 8 4 to 5 1 to 1.5 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE 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 Ozone and iodine All of these Ultraviolet light for irradiation of water Chlorine or its compounds Ozone and iodine All of these Ultraviolet light for irradiation of water Chlorine or its compounds ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Radioactive solid nuclear wastes are disposed off by Pathological incineration High temperature incineration Pyrolysis Underground burial in concrete containers Pathological incineration High temperature incineration Pyrolysis Underground burial in concrete containers ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is the most severe air pollutant? NOx Hydrocarbons CO SO₂ NOx Hydrocarbons CO SO₂ ANSWER DOWNLOAD EXAMIANS APP
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