Environmental Engineering in CE The average thickness of ozone layer in stratosphere is about __________ dobson unit (DU). 20 1500 750 230 20 1500 750 230 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Algae growth in water is controlled by Aeration Deoxidation Chlorination Bleaching Aeration Deoxidation Chlorination Bleaching ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of bacteria in potable (drinking) water causes Bad taste & colour Bad odour Turbidity Disease Bad taste & colour Bad odour Turbidity Disease ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Radioactive solid nuclear wastes are disposed off by Underground burial in concrete containers High temperature incineration Pyrolysis Pathological incineration Underground burial in concrete containers High temperature incineration Pyrolysis Pathological incineration ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Threshold Limit Value (TLV) is the maximum allowable concentration (i.e. safe limit) of pollutants in air. Safe limit for SO₂ in air is __________ ppm. 2000 1000 500 5 2000 1000 500 5 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following pollutants, if present in atmosphere is detectable by its odour? CO SO₂ NO₂ CO₂ CO SO₂ NO₂ CO₂ ANSWER DOWNLOAD EXAMIANS APP
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