Environmental Engineering in CE Presence of excess flourine in water causes Dental cavity Tooth decay Respiratory disease Fluorosis Dental cavity Tooth decay Respiratory disease Fluorosis ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Thermal pollution of water increases its toxicity and oxidation of oxygen demanding waste besides favouring bacterial growth. A rise in water temperature by 10°C, doubles the toxic effects of __________ present in it. Ortho-xylene Coal ash Potassium cyanide None of these Ortho-xylene Coal ash Potassium cyanide None of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE H₂S present in gaseous stream can be removed by adsorption on Limestone powder Bog iron Silica gel Active carbon Limestone powder Bog iron Silica gel Active carbon ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Color test of water is done with an instrument called Tintometer Turbidimeter Colorimeter Electro-chemical cell Tintometer Turbidimeter Colorimeter Electro-chemical cell ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Scale formation in boiler is controlled by Reduction in hardness, silica & alumina in feed water Keeping the pH value of feed water just below 7 Preheating of feed water Eliminating H₂S in feed water Reduction in hardness, silica & alumina in feed water Keeping the pH value of feed water just below 7 Preheating of feed water Eliminating H₂S in feed water ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following dust collection equipments is the least efficient (for sub-micronic particles)? Cyclone separator Bag filter Dust catcher (gravity type) Hollow wet scrubber Cyclone separator Bag filter Dust catcher (gravity type) Hollow wet scrubber ANSWER DOWNLOAD EXAMIANS APP