Environmental Engineering in CE In water treatment plant, zeolite process is used to remove the __________ of water. Alkalinity Iron & zinc Hardness Acidity Alkalinity Iron & zinc Hardness Acidity ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which is the best and the most effective method for the removal of organic contaminant present in the polluted water in very small quantity (say < 200 mg/litre)? Activated carbon adsorption Biological oxidation pond Chemical coagulation Lagooning Activated carbon adsorption Biological oxidation pond Chemical coagulation Lagooning ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Disinfection of water is done to destroy pathogenic bacteria and thus prevent water-borne diseases. Disinfection of water may be done by the use of All of these Ultraviolet light for irradiation of water Chlorine or its compounds Ozone and iodine All of these Ultraviolet light for irradiation of water Chlorine or its compounds Ozone and iodine ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Corrosion in boilers can be prevented by All of these Deaeration of feed water Feeding sodium sulphite or hydrazine phosphate to the boilers, which combines with oxygen and prevents corrosion Enhancing pH of feed water by adding alkali All of these Deaeration of feed water Feeding sodium sulphite or hydrazine phosphate to the boilers, which combines with oxygen and prevents corrosion Enhancing pH of feed water by adding alkali ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Out of the following, TLV of __________ is the minimum (about 0.02 ppm). Phosgene MIC (methyl iso-cynate) Bromine Ozone Phosgene MIC (methyl iso-cynate) Bromine Ozone ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of volatile compounds like gasoline, oil, alcohol, ether etc. in municipal sewers may cause Explosion Undesirable plant growth Corrosion Non biodegradable foam Explosion Undesirable plant growth Corrosion Non biodegradable foam ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS