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 0.05 mm Less than 0.1 mm Less than 0.01 mm Greater than 0.1 mm Less than 0.05 mm Less than 0.1 mm Less than 0.01 mm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If the pH value of sewage is 7 None of these It is alkaline It is neutral It is acidic None of these It is alkaline It is neutral It is acidic ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Drop manholes at the junctions of sewer lines, are provided if Two sewer lines intersect Ordinary manhole cannot be built Invert level of a branch sewer is more than 60 cm that of the main sewer Sewer line runs along a main road Two sewer lines intersect Ordinary manhole cannot be built Invert level of a branch sewer is more than 60 cm that of the main sewer Sewer line runs along a main road ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In normal conditions, the period for sludge digestion, is 10 days 30 days 60 days 20 days 10 days 30 days 60 days 20 days ANSWER DOWNLOAD EXAMIANS APP
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 Methane Hydrogen sulphide Carbon dioxide Oxygen Methane Hydrogen sulphide Carbon dioxide Oxygen ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The detention time of a circular tank of diameter d and water depth H, for receiving the sewage Q per hour, is d (0.022d + 0.085H)/Q d (0.285d + 0.011H)/Q d² (0.011d + 0.785H)/Q d (0.785d + 0.011H)/Q d (0.022d + 0.085H)/Q d (0.285d + 0.011H)/Q d² (0.011d + 0.785H)/Q d (0.785d + 0.011H)/Q ANSWER DOWNLOAD EXAMIANS APP
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