Water Supply Engineering - Water Supply Engineering objective questions and answers

11.  Copper sulphate is the most common chemical used for controlling

   A. Bacteria

   B. Algae

   C. Silt

   D. Mineral water

12.  The ratio of total capacity and dead storage is kept

   A. 8

   B. 6

   C. 4

   D. 3

13.  The strainer tubewell is unsuitable for

   A. Coarse gravels

   B. Fine sandy strata

   C. Clean gravels

   D. None of the above

14.  The specific retention is least in case of

   A. Clay

   B. Sand

   C. Coarse gravel

   D. Silt

15.  The capability of a soil mass of full width and depth to transmit water, is known

   A. Porosity

   B. Permeability

   C. Transmissibility

   D. None of the above

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