Environmental Engineering in CE The function of skimming tank in sewage treatment is to remove __________ substances. Oil & fatty Dissolved solid Gritty & inorganic Suspended solid Oil & fatty Dissolved solid Gritty & inorganic Suspended solid ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Reingleman chart is used for the evaluation of __________ pollution. Noise Water Air Radioactive Noise Water Air Radioactive ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of soluble organics in polluted water causes Undesirable plants growth Explosion hazards Fire hazards Depletion of oxygen Undesirable plants growth Explosion hazards Fire hazards Depletion of oxygen ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Radioactive substances present in the polluted water stream can be removed by Coagulation and filtration Biological oxygen treatment None of these Adsorption in ion exchange materials Coagulation and filtration Biological oxygen treatment None of these Adsorption in ion exchange materials ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The disinfection efficiency of chlorine increases by(i) Decreasing the time of contact(ii) Decreasing the temperature of water(iii) Increasing the temperature of water Both (i) and (ii) Only (i) Both (i) and (iii) Only (iii) Both (i) and (ii) Only (i) Both (i) and (iii) Only (iii) 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
EXAMIANS