Waste Water Engineering If the flame of a miner's safety lamp in the upper layers of the sewer forms an explosive, the sewer certainly contains Oxygen Methane Carbon dioxide Hydrogen sulphide Oxygen Methane Carbon dioxide Hydrogen sulphide ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The average temperature of sewage in India, is 15°C 20°C 10°C 25°C 15°C 20°C 10°C 25°C ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For trunk sewers more than 1.25 m in diameter, the ratio of the maximum daily sewage flow to the average daily sewage flow is assumed 1.5 3 2 2.5 1.5 3 2 2.5 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For design of sewers, percentage of sewage discharge is assumed 70 to 75% 75 to 80% 0.85 65 to 70% 70 to 75% 75 to 80% 0.85 65 to 70% ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The ratio of design discharge to the surface area of a sedimentation tank is called Overflow rate All of these Overflow velocity Surface loading Overflow rate All of these Overflow velocity Surface loading ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If D.O. concentration falls down to zero in any natural drainage, it indicates the zone of Degradation Cleaner water Recovery Active decomposition Degradation Cleaner water Recovery Active decomposition ANSWER DOWNLOAD EXAMIANS APP
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