Environmental Engineering The pathogens can be killed by Oxidation Chlorination None of these Nitrification Oxidation Chlorination None of these Nitrification ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering As compared to higher pH values, the contact period required for efficient chlorination at lower pH values is Larger None of these Same Smaller Larger None of these Same Smaller ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Which of the following unit works in anaerobic conditions? Sedimentation tank Sludge digestion tank Activated sludge treatment Trickling filters Sedimentation tank Sludge digestion tank Activated sludge treatment Trickling filters ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering 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 Only (iii) Both (i) and (ii) Both (i) and (iii) Only (i) Only (iii) Both (i) and (ii) Both (i) and (iii) Only (i) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The specific gravity of sewage is Much greater than 1 Slightly less than 1 Slightly greater than 1 Equal to 1 Much greater than 1 Slightly less than 1 Slightly greater than 1 Equal to 1 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Which of the following causes a decrease in per capita consumption? Hotter climate Better standard of living of the people Use of metering system Good quality of water Hotter climate Better standard of living of the people Use of metering system Good quality of water ANSWER DOWNLOAD EXAMIANS APP