Water Supply Engineering - Water Supply Engineering objective questions and answers


6.  The presence of lead in water may cause


   A. Bacteria

   B. Bad odour

   C. Poisoning

   D. Hardness


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C. Poisoning

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7.  A water supply scheme is usually designed for the period of


   A. 5 years

   B. 10 years

   C. 20 years

   D. 50 years


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D. 50 years

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8.  Which of the following is dissolved impurity of water?


   A. Silt

   B. Algae

   C. Calcium carbonate

   D. Clay


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C. Calcium carbonate

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9.  Swimming pool water requires


   A. Prechlorination

   B. Super chlorination

   C. Dual chlorination

   D. Dechlorination


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B. Super chlorination

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10.  The level to which underground water is settles is called


   A. Underground level

   B. Water level

   C. Negative level

   D. Suction level


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B. Water level

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