Environmental Engineering The treatment of water with bleaching powder is known as Pre-chlorination Super chlorination De-chlorination Hypo-chlorination Pre-chlorination Super chlorination De-chlorination Hypo-chlorination ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering As compared to higher pH values, the contact period required for efficient chlorination at lower pH values is Smaller Same Larger None of these Smaller Same Larger None of these 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 Both (i) and (ii) Only (i) Only (iii) Both (i) and (iii) Both (i) and (ii) Only (i) Only (iii) Both (i) and (iii) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Which of the following causes a decrease in per capita consumption? Use of metering system Hotter climate Good quality of water Better standard of living of the people Use of metering system Hotter climate Good quality of water Better standard of living of the people ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The process in which the chlorination is done beyond the break point is known as Break point chlorination Post chlorination Pre-chlorination Super chlorination Break point chlorination Post chlorination Pre-chlorination Super chlorination ANSWER DOWNLOAD EXAMIANS APP
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