Waste Water Engineering Rate of flow of sewage is generally assumed More than the rate of water supply Less than the rate of water supply At 150 litres per capita Equal to the rate of water supply More than the rate of water supply Less than the rate of water supply At 150 litres per capita Equal to the rate of water supply ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If the flame of a miner’s safety lamp in a manhole extinguishes within 5 minutes, the sewer certainly contains Oxygen Carbon dioxide Methane Hydrogen sulphide Oxygen Carbon dioxide Methane Hydrogen sulphide ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Cement concrete sewers are only suitable if non-scouring velocity is between 4.5 to 5.5 m/sec 3.5 to 4.5 m/sec 3.0 to 4.0 m/sec 2.5 to 3.0 m/sec 4.5 to 5.5 m/sec 3.5 to 4.5 m/sec 3.0 to 4.0 m/sec 2.5 to 3.0 m/sec ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering ‘Cowl’ is provided at Upper end of ventilating column 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 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For the survival of fish in a river stream, the minimum dissolved oxygen is prescribed 5 ppm 10 ppm 3 ppm 4 ppm 5 ppm 10 ppm 3 ppm 4 ppm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If the diameter of a sewer is 100 mm, the gradient required for generating self cleansing velocity is 1 in 60 1 in 100 1 in 120 None of these 1 in 60 1 in 100 1 in 120 None of these ANSWER DOWNLOAD EXAMIANS APP
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