Environmental Engineering in CE The principal gas evolved from sludge digestion tank is CH₄ N₂ CO₂ CO CH₄ N₂ CO₂ CO ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Noise level in a quiet private business office is about __________ decibels. 50 70 25 85 50 70 25 85 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE H₂S present in gaseous stream can be removed by adsorption on Bog iron Limestone powder Silica gel Active carbon Bog iron Limestone powder Silica gel Active carbon ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE In water chemical treatment plant, use of chloramines ensures Weed control in reservoirs Taste & odour control Disinfection Removal of permanent hardness Weed control in reservoirs Taste & odour control Disinfection Removal of permanent hardness ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Soluble silica present in boiler feed water can be removed by Preheating it Filtration Anion exchanger Coagulation Preheating it Filtration Anion exchanger Coagulation ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Most of the atmospheric air pollutants are present in large quantity in Trophosphere Thermosphere Mesosphere Stratosphere Trophosphere Thermosphere Mesosphere Stratosphere ANSWER DOWNLOAD EXAMIANS APP