Waste Water Engineering In trickling filter, B.O.D. is reduced to 60 to 80% 30 to 40% 80 to 90% 40 to 60% 60 to 80% 30 to 40% 80 to 90% 40 to 60% ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The stone ware sewers All listed here Are used for carrying sewage and drainage from houses Are manufactured from clays and shale After casting are dried and burnt at temperature 150°C, 700°C and 1200°C All listed here Are used for carrying sewage and drainage from houses Are manufactured from clays and shale After casting are dried and burnt at temperature 150°C, 700°C and 1200°C ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Sewer pipes are designed for maximum discharge with 25% to 33% vacant cross-sectional area for Under estimates of maximum and average flows All of these Unexpected increase in the population Unexpected large scale infiltration of stream water Under estimates of maximum and average flows All of these Unexpected increase in the population Unexpected large scale infiltration of stream water ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering An inverted siphon is designed generally for One pipe Four pipes Three pipes Two pipes One pipe Four pipes Three pipes Two pipes ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In case of sewer lines Water test is carried out to check water tightness of the joints All listed here Test for straightness is carried out with the help of a lamp and mirror Obstruction test is carried out with the help of smooth ball of diameter 13 mm Water test is carried out to check water tightness of the joints All listed here Test for straightness is carried out with the help of a lamp and mirror Obstruction test is carried out with the help of smooth ball of diameter 13 mm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The amount of oxygen consumed by the aerobic bacterias which cause the aerobic biological decomposition of sewage, is known Chemical Oxygen Demand (C.O.D.) Bio-Chemical Oxygen Demand (B.O.D.) None of these Dissolved Oxygen (D.O.) Chemical Oxygen Demand (C.O.D.) Bio-Chemical Oxygen Demand (B.O.D.) None of these Dissolved Oxygen (D.O.) ANSWER DOWNLOAD EXAMIANS APP
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