Environmental Engineering The treatment of water with bleaching powder is known as Pre-chlorination Hypo-chlorination De-chlorination Super chlorination Pre-chlorination Hypo-chlorination De-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 Larger Smaller None of these Same Larger Smaller None of these 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 Both (i) and (iii) Only (i) Both (i) and (ii) Only (iii) Both (i) and (iii) Only (i) Both (i) and (ii) Only (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 Post chlorination Break point chlorination Pre-chlorination Super chlorination Post chlorination Break point chlorination Pre-chlorination Super chlorination ANSWER DOWNLOAD EXAMIANS APP
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