Waste Water Engineering Traps Are water seals which prevent the entry of foul gases Are used to trap the rats entering sewers Dissolve the foul gases Create symphonic action to increase the quick disposal of sewerage Are water seals which prevent the entry of foul gases Are used to trap the rats entering sewers Dissolve the foul gases Create symphonic action to increase the quick disposal of sewerage ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In olden days the type of section adopted in trunk and out fall sewers was Horse shoe shaped Parabolic shaped Circular shaped Egg shaped Horse shoe shaped Parabolic shaped Circular shaped Egg shaped ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For large sewers, maximum distance between manholes may be 300 m 100 m 200 m 50 m 300 m 100 m 200 m 50 m ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If is the rugosity coefficient, is the bed slope of sewer, the velocity of flow in m/sec may be obtained by the formula V = (1/n) r2/3 s1/2 evolved by Bazin Manning Kutter Chezy Bazin Manning Kutter Chezy ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Bio-chemical oxygen demand (BOD) for the first 20 days in generally referred to Initial demand All of these Carbonaceous demand First stage demand Initial demand All of these Carbonaceous demand First stage demand ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The suitable cross-section of sewers to carry combined flow, is Horse shoe shaped Rectangular Egg shaped Circular Horse shoe shaped Rectangular Egg shaped Circular ANSWER DOWNLOAD EXAMIANS APP
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