Waste Water Engineering 5 days-biochemical oxygen demand (BOD5) is taken at a temperature of 0°C 25°C 20°C 15°C 0°C 25°C 20°C 15°C ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The ratio of the diameter of a circular section and the side of a square section hydraulically equivalent, is 1.095 1.085 1.065 1.075 1.095 1.085 1.065 1.075 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 Methane Hydrogen sulphide Oxygen Carbon dioxide Methane Hydrogen sulphide Oxygen Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The most widely used pump for lifting sewage is Air pressure pump Centrifugal pump Reciprocating pump Pneumatic ejector Air pressure pump Centrifugal pump Reciprocating pump Pneumatic ejector ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Depletion of ozone layer in the outer atmosphere may cause Heart disorder Bronchitis Skin cancer Lung cancer Heart disorder Bronchitis Skin cancer Lung cancer ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The effluent of a septic tank is Foul and contains dissolved and suspended solids None of these Fit for discharge into any open drain As good as that from a complete treatment Foul and contains dissolved and suspended solids None of these Fit for discharge into any open drain As good as that from a complete treatment ANSWER DOWNLOAD EXAMIANS APP
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