Waste Water Engineering If the pH value of sewage is 7 It is alkaline None of these It is acidic It is neutral It is alkaline None of these It is acidic It is neutral ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If the grit in grit chambers is 4.5 million litres per day, its cleaning is done Mechanically Manually Hydraulically Electrically Mechanically Manually Hydraulically Electrically ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In trickling filter, B.O.D. is reduced to 80 to 90% 60 to 80% 40 to 60% 30 to 40% 80 to 90% 60 to 80% 40 to 60% 30 to 40% ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The detention period for plain sedimentation water tanks, is usually 4 to 8 hours 16 to 24 hours 8 to 16 hours 24 to 36 hours 4 to 8 hours 16 to 24 hours 8 to 16 hours 24 to 36 hours ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The layers of vegetable wastes and night soil alternatively piled above the ground to form a mound, is called Windrow Plateau A heap None of these Windrow Plateau A heap None of these ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The sludge does not contain waste water from Wash basins Bath rooms Toilets Kitchen sinks Wash basins Bath rooms Toilets Kitchen sinks ANSWER DOWNLOAD EXAMIANS APP
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