Environmental Engineering in CE Presence of __________ in water stream are deleterious to aquatic life. Heavy metals and cynides All of these Suspended solids Soluble and toxic organics Heavy metals and cynides All of these Suspended solids Soluble and toxic organics ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Maximum permissible residual chlorine in treated water should be __________ mg/litre. 2 to 3 5 to 10 0.001 to 0.01 02 to 0.3 2 to 3 5 to 10 0.001 to 0.01 02 to 0.3 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Dose of chlorine for disinfection of water is about __________ mg/litre of water. 0.3 0.1 0.01 1 0.3 0.1 0.01 1 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE H₂S present in gaseous stream can be removed by adsorption on Silica gel Bog iron Active carbon Limestone powder Silica gel Bog iron Active carbon Limestone powder ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Fresh sewage is __________ in nature. Acidic Neutral Alkaline Highly acidic Acidic Neutral Alkaline Highly acidic ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is a manmade source of air pollution? Bacterial action in soil and swamp areas Automobile exhaust Forest fire All of these Bacterial action in soil and swamp areas Automobile exhaust Forest fire All of these ANSWER DOWNLOAD EXAMIANS APP