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


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D. Entire arrangement from source to distribution

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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


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D. Spring along hill slopes

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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


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C. 7 to 8.5

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


   A. Offices

   B. Schools

   C. Hospitals

   D. Factories


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C. Hospitals

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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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C. Phosphate coagulation

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