Waste Water Engineering ‘Cowl’ is provided at Upper end of the manhole Lower end of ventilating column First step in manhole Upper end of ventilating column Upper end of the manhole Lower end of ventilating column First step in manhole Upper end of ventilating column ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The design period in years for pumping plants, is 1 2 to 3 3 to 5 5 to 10 1 2 to 3 3 to 5 5 to 10 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Removal of oil and grease from sewage, is known Screening Skimming Filtration None of these Screening Skimming Filtration None of these ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The detention period for plain sedimentation water tanks, is usually 4 to 8 hours 8 to 16 hours 16 to 24 hours 24 to 36 hours 4 to 8 hours 8 to 16 hours 16 to 24 hours 24 to 36 hours ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The maximum spacing of manholes specified by Indian standard in sewers upto 0.3 m diameter is 45 m 75 m 20 m 30 m 45 m 75 m 20 m 30 m ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For house drainage minimum gradient is 1 in 400 1 in 60 1 in 80 1 in 10 1 in 400 1 in 60 1 in 80 1 in 10 ANSWER DOWNLOAD EXAMIANS APP
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