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 Manning Kutter Bazin Chezy Manning Kutter Bazin Chezy ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Antisyphonage pipe is fitted At the beginning of sewer line With a W.'trap On manholes At the end of septic tanks At the beginning of sewer line With a W.'trap On manholes At the end of septic tanks ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Discrete or granular particles change their Size Weight Shape None of these Size Weight Shape None of these ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Hazen’s formula VS = 418 (GS – Gw)d [(3T + 70)/100] is used for the settlement velocity of the particles of diameter Less than 0.1 mm Greater than 0.1 mm Less than 0.05 mm Less than 0.01 mm Less than 0.1 mm Greater than 0.1 mm Less than 0.05 mm Less than 0.01 mm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The flow velocity in detritus tanks is 0.09 m/sec None of these 0.05 m/sec 1.25 m/sec 0.09 m/sec None of these 0.05 m/sec 1.25 m/sec ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If a 2% solution of sewage sample is incubated for 5 days at 20°C and the dissolved oxygen depletion was found to be 8 mg/l. The BOD of the sewage is 300 mg/l 100 mg/l 200 mg/l 400 mg/l 300 mg/l 100 mg/l 200 mg/l 400 mg/l ANSWER DOWNLOAD EXAMIANS APP
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