Environmental Engineering in CE In water chemical treatment plant, use of chloramines ensures Weed control in reservoirs Disinfection Removal of permanent hardness Taste & odour control Weed control in reservoirs Disinfection Removal of permanent hardness Taste & odour control ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Septic tanks are used for the __________ of the deposited solids. Aerobic decomposition Anaerobic decomposition Separation None of these Aerobic decomposition Anaerobic decomposition Separation None of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Permissible safe limit (TLV) of __________ toxic gas is 100-1000 parts per million (ppm). Highly Very extremely Moderately Extremely Highly Very extremely Moderately Extremely ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of nitrogen and phosphorous in waste water discharged into lakes and ponds causes Odour nuisances Undesirable plant growth Turbidity Foaming Odour nuisances Undesirable plant growth Turbidity Foaming ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE In water treatment, alum[Al2(SO₄)3] is used for the process of Filtration Disinfection Sedimentation Coagulation Filtration Disinfection Sedimentation Coagulation ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is the most active zone of atmosphere in which weathering events like rain, storm & lightning occur? Troposphere None of these Stratosphere Thermosphere Troposphere None of these Stratosphere Thermosphere ANSWER DOWNLOAD EXAMIANS APP