Water Supply Engineering - Water Supply Engineering objective questions and answers
46. Air valves are generally provided in pressure pipes of water supply
A. At pipe junctions
B. At summits
C. At low points
D. Near service pipes
✔ View Answer
B. At summits
✍ Your Comments
47. The temporary hardness of water can be removed bye
A. Boiling
B. Adding lime
C. Adding alum
D. Filteration
✔ View Answer
✍ Your Comments
48. Standard process of chlorination of water is done by
A.. Plain chlorination
B. Pre chlorination
C. Post chlorination
D. Double chlorination
✔ View Answer
✍ Your Comments
49. For maximum alkalinity of water pH value should be
A. Zero
B. 14
C. Less than 7
D. 21
✔ View Answer
✍ Your Comments
50. Disinfection of drinking water is done to remove
A. Odour
B. Bacterias
C. Turbidity
D. Colour
✔ View Answer
✍ Your Comments