Water Supply Engineering - Water Supply Engineering objective questions and answers

41.  Water supply system includes

   A. Digging a well for water

   B. Construction of dams

   C. Construction of canals

   D. Entire arrangement from source to distribution

42.  What a not contain much impurities if its source is

   A. Reservoirs

   B. Stream flowing in plains

   C. Lakes in lower regions

   D. Spring along hill slopes

43.  For portable water, the permissible pH value is

   A. 1 to 4.5

   B. 4.5 to 7

   C. 7 to 8.5

   D. 9 to 11

44.  In which case the rate of water consumption per head per day would be maximum?

   A. Offices

   B. Schools

   C. Hospitals

   D. Factories

45.  The radio activity of water due to strontium can be removed by

   A. Aeration

   B. Alum coagulation

   C. Phosphate coagulation

   D. Lime

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