Water Supply Engineering Questions

• Pick up the incorrect statement from the following :
• The pH value of water is kept slightly less than 7 so that hydrochloride ions may combine with ammonia ions to form
• The ensure proper growth of children's teeth, the quantity of flouride used in water mains, is
• The maximum pressure which the pipe can withstand without any leakage during hydrostatic pressure test, is called
• Normal values of overflow rate for sedimentation tanks using coagulants in litres/hr/m2 , generally range between
• Ground water from artesian wells
• If average volume of sediment deposits is one-tenth million cubic metres per year in a reservoir of total capacity 10 million cubic metres, the dead storage will be filled up, in
• The total domestic consumption in a city water supply, is assumed
• In distribution pipes, air valves are provided at
• The maximum permissible chloride content in treated water of public water supplies should not exceed
• The bacterias which may survive with or without free oxygen, are called
• The most important and widely used tube well in India, is
• For a city developed haphazardly, the layout of distribution pipes preferred to, is
• Maximum permissible colour for domestic water supplies, based on Cobalt scale, is
• In centrifugal pump installation,
• Water is distributed to consumers by gravitational system, in
• For a network of distribution pipes of a proposed township shown in the below figure, the layout of distribution system, is
• Chlorination of water does not remove
• Pick up the incorrect statement from the following :
• For the prediction of future population of a city, the factor to be considered, is