Waste Water Engineering The coagulant which is generally not used for treating the sewage, is Chlorinated coppers Ferric chloride Ferric sulphate Alum Chlorinated coppers Ferric chloride Ferric sulphate Alum ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering A manhole is classified as shallow if its depth is between 0.9 to 1.20 m 0.7 to 0.9 m 0.5 to 0.7 m 0.4 to 0.5 m 0.9 to 1.20 m 0.7 to 0.9 m 0.5 to 0.7 m 0.4 to 0.5 m 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 Greater than 0.1 mm Less than 0.1 mm Less than 0.01 mm Less than 0.05 mm Greater than 0.1 mm Less than 0.1 mm Less than 0.01 mm Less than 0.05 mm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering 5 days-biochemical oxygen demand (BOD5) is taken at a temperature of 20°C 0°C 25°C 15°C 20°C 0°C 25°C 15°C ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For evaporation and measurement of settable solids, the apparatus used, is An Imhoff cone A breaker A jar A test tube An Imhoff cone A breaker A jar A test tube ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Bio-chemical oxygen demand (BOD) for the first 20 days in generally referred to First stage demand Carbonaceous demand Initial demand All of these First stage demand Carbonaceous demand Initial demand All of these ANSWER DOWNLOAD EXAMIANS APP
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