Environmental Engineering in CE Oilish impurities present the effluent discharged from the electroplating industry is normally not removed by Ultrafiltration Centrifugation Chemical coagulation Floatation & skimming Ultrafiltration Centrifugation Chemical coagulation Floatation & skimming 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)? Biological oxidation pond Activated carbon adsorption Lagooning Chemical coagulation Biological oxidation pond Activated carbon adsorption Lagooning Chemical coagulation ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Lagoons used for purification of polluted water Are large shallow artificial lakes also known as clarification lakes, maturation ponds or oxidation ponds All of these Use micro-organisms/bacteria in presence of dissolved oxygen Gives an excellent final effluent (with 3 to 4 lagoons arranged in series) having suspended solid < 1 mg/litre and BOD = 3.8 mg/litre Are large shallow artificial lakes also known as clarification lakes, maturation ponds or oxidation ponds All of these Use micro-organisms/bacteria in presence of dissolved oxygen Gives an excellent final effluent (with 3 to 4 lagoons arranged in series) having suspended solid < 1 mg/litre and BOD = 3.8 mg/litre ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE TLV of mercury in potable (drinking) water is about __________ ppm. 1 0.001 0.1 5 1 0.001 0.1 5 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Infective bacteria in water is killed by the __________ process. Aeration Sterilisation Disinfection None of these Aeration Sterilisation Disinfection None of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of __________ bacteria in water causes disease like typhoid. Non-pathogenic Anaerobic Pathogenic Aerobic Non-pathogenic Anaerobic Pathogenic Aerobic ANSWER DOWNLOAD EXAMIANS APP
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