Water Supply Engineering Questions

• Disinfection of water with ozone is not good because
• The main draw-back of centrifugal pump, is
• The equation in which Q is yearly run off in cm, P is yearly total rainfall in cm, H is difference of R.L.s. of lowest and highest points and A is area of catchment in square metres, is known as
• A pressure conduit laid under ground, may not be subjected to
• The best process of disinfection of public water supply, is by
• E. Coli bacterias die in water having pH greater than
• The water level in an open well was depressed by pumping 2.5 m and recuperated 2.87 m in 3 hours and 50 minutes. The yield of the well per minute is
• Mathamoglobinemia, or blue baby disease is caused due to
• An earth formation which, although porous and capable of absoring water does not provide an appreciable supply to wells, is known as
• Pick up the incorrect statement from the following :
• The force which develops in a pressure conduit supported on trestles, is
• Surface water is obtained from
• Pick up the correct statement from the following regarding the pressure conduits :
• Pick up the correct statement from the following regarding radial flow centrifugal pumps :
• Continuous flow of water can be expected from
• A city supply includes
• Increase in population of a rapidly growing city, may be estimated by
• Flow through period, in sedimentation tanks, is
• The period of cleaning of a slow sand filter, is usually
• To detect the turbidity of the order of 0 to 1000 P.P.M. the instrument used is