Water Supply Engineering Questions

• Aqueducts are generally designed
• Pick up the correct statement from the following :
• The order of existence of three portions of water in a reservoir from the bottom to top is
• The approximate diameter of a water mains for supplying 7.2 mld with a velocity 1.2 m/sec, is
• If w is the weight of water per cubic metre, Q is the discharge in cubic metres per sec and H is the total head, the required water horse power of the pump, is
• Hardness of water can be removed by boiling if it is due to
• To control the growth of algae in reservoirs, the compound which is used, is
• Pick up the correct statement from the following :
• Pick up the wrong nominal internal diameter of cast iron (spun) pipes in mm from the following :
• Carbonates in water produce
• Well treated water is generally supplied for
• The formula Q = P - K[1.8T + 32] in which Q is runoff, P is annual rain fall in cm, T is mean annual temperature in centigrades and K is a constant, is known
• Pick up the incorrect statement from the following :
• A well is considered to be good if it is sunk into
• Gravity conduits
• Hardness of water is caused by
• The ratio of the maximum daily consumption to the average daily demand, is
• The process of passing water through beds of granular materials, is called
• If L, B and D length, breadth and depth of water in a rectangular sedimentation tank of total discharge Q, the settling velocity, is
• If n is porosity, y is specific yield and r is specific retention of any soil, the relationship which holds good, is