Environmental Engineering in CE The pH value of oxidised sewage is about 1.8 13.4 6.2 7.3 1.8 13.4 6.2 7.3 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 Thermosphere Stratosphere Troposphere None of these Thermosphere Stratosphere ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Fluorosis is caused due to the presence of excessive amount of __________ in drinking water. Lead Fluoride Arsenic Mercury Lead Fluoride Arsenic Mercury ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE 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. 60 90 120 105 60 90 120 105 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Algae growth in water is controlled by Aeration Chlorination Deoxidation Bleaching Aeration Chlorination Deoxidation Bleaching ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Death may occur, when SO₂ concentration in atmospheric air exceeds __________ ppm. 200 100 400 20 200 100 400 20 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS