Water Supply Engineering For determining the velocity of flow of underground water, the most commonly used non-empirical formula is Lacy’s formula Slichter’s formula Darcy’s formula Hazen’s formula Lacy’s formula Slichter’s formula Darcy’s formula Hazen’s formula ANSWER DOWNLOAD EXAMIANS APP
Water Supply Engineering Aeration of water is done to remove hardness bacterias colour odour hardness bacterias colour odour ANSWER DOWNLOAD EXAMIANS APP
Water Supply Engineering Disinfection of drinking water, is done to remove turbidity bacterias odour colour turbidity bacterias odour colour ANSWER DOWNLOAD EXAMIANS APP
Water Supply Engineering Specific capacity or yield of wells, is generally expressed, as m³/hour/m² m³/sec m³/hour m³/hour/m²/m m³/hour/m² m³/sec m³/hour m³/hour/m²/m ANSWER DOWNLOAD EXAMIANS APP
Water Supply Engineering The least thickness of class B cast iron (spun) pipe, is 10 mm 7.9 mm 8.6 mm 7.2 mm 10 mm 7.9 mm 8.6 mm 7.2 mm ANSWER DOWNLOAD EXAMIANS APP
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