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