Hard water contains

More Questions from Water Supply Engineering

• After cleaning a slow sand filter, the filtered water is not used for
• Hardness of water is caused due to
• Gravity conduits for carrying water from the source are
• During treatment of water, sedimentation is done
• Percussion drilling is unsuitable in
• While determining the yield of open wells by the pumping test
• The maximum hourly consumption, is generally taken as
• A water channel supported above the ground over trestles, is generally called
• If intensity of rainfall in cm per hour is I, percentage coefficient of run-off is P, area of catchment in square kilometres is A, the total run-off Q, is given by
• The superimposed load transmitted to the pipe, is generally evaluated by Bousiness formula

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