Water Supply Engineering - Water Supply Engineering objective questions and answers
16. The main disadvantage of hard water is
A. High density
B. More turbidity
C. Foul smell
D. Increased soap consumption
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D. Increased soap consumption
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17. pH value of sea water is usually
A. 1
B. Between 3 to 5
C. Between 5 to 7
D. Between 8 to 8.3
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18. The cost of production of palatable water is minimum if the water source is a
A. River
B. Spring
C. Ground
D. Infiltration gallery
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19. Non pathologic bacteria cause the following water borne disease,
A. Cholera
B. Typhoid
C. Infectious hepatitis
D. None of these
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20. Underground water is obtained from
A. Rains
B. Rivers
C. Springs
D. Lakes
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