Environmental Engineering The process in which the chlorination is done beyond the break point is known as Post chlorination Pre-chlorination Super chlorination Break point chlorination Post chlorination Pre-chlorination Super chlorination Break point chlorination ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Which of the following is not a water borne disease? Typhoid Dysentery Cholera Malaria Typhoid Dysentery Cholera Malaria 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 Dissolved oxygen in streams is Minimum at noon Maximum at noon Same throughout the day Maximum at midnight Minimum at noon Maximum at noon Same throughout the day Maximum at midnight ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Sludge volume index is defined as the ratio of Percentage of suspended solids by weight to percentage of sludge by volume Percentage of total solids by weight to percentage of sludge by volume Percentage of sludge by volume to percentage of total solids by weight Percentage of sludge by volume to percentage of suspended solids by weight Percentage of suspended solids by weight to percentage of sludge by volume Percentage of total solids by weight to percentage of sludge by volume Percentage of sludge by volume to percentage of total solids by weight Percentage of sludge by volume to percentage of suspended solids by weight ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The detention period in coagulation tanks is usually kept as 2 to 6 hours 30 to 45 minutes 2 to 6 days 1 to 2 minutes 2 to 6 hours 30 to 45 minutes 2 to 6 days 1 to 2 minutes ANSWER DOWNLOAD EXAMIANS APP
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