Environmental Engineering in CE Dose of chlorine for disinfection of water is about __________ mg/litre of water. 1 0.01 0.3 0.1 1 0.01 0.3 0.1 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of __________ in water stream are deleterious to aquatic life. Heavy metals and cynides Suspended solids Soluble and toxic organics All of these Heavy metals and cynides Suspended solids Soluble and toxic organics All of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The ratio of oxygen available to the oxygen required for stabilisation of sewage is called the Biological oxygen demand (BOD) Bacterial stability factor Relative stability Oxygen ion concentration Biological oxygen demand (BOD) Bacterial stability factor Relative stability Oxygen ion concentration ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Growth of __________ is promoted by the presence of manganese in water. Micro-organisms Mosquitoes Algae Files Micro-organisms Mosquitoes Algae Files ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Out of the following, TLV of __________ is the minimum (about 0.02 ppm). Bromine Phosgene MIC (methyl iso-cynate) Ozone Bromine Phosgene MIC (methyl iso-cynate) Ozone ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The type of bacteria which is active in trickling filter during biological treatment of sewage is the __________ bacteria. Saphrophytic Anaerobic Parasitic Aerobic Saphrophytic Anaerobic Parasitic Aerobic ANSWER DOWNLOAD EXAMIANS APP