Environmental Engineering The treatment of water with bleaching powder is known as De-chlorination Pre-chlorination Hypo-chlorination Super chlorination De-chlorination Pre-chlorination Hypo-chlorination Super 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 Same Smaller Larger None of these Same Smaller 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 Only (i) Both (i) and (ii) Only (iii) Both (i) and (iii) Only (i) Both (i) and (ii) Only (iii) Both (i) and (iii) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Which of the following causes a decrease in per capita consumption? Hotter climate Good quality of water Use of metering system Better standard of living of the people Hotter climate Good quality of water Use of metering system 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 Super chlorination Post chlorination Pre-chlorination Break point chlorination Super chlorination Post chlorination Pre-chlorination Break point chlorination ANSWER DOWNLOAD EXAMIANS APP
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