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Civil Engineering - Water Supply Engineering

Exercise : Water Supply Engineering - Section 4
16.
Pick up the wrong nominal internal diameter of cast iron (spun) pipes in mm from the following :
300
400
500
550
600
Answer: Option
Explanation:
No answer description is available. Let's discuss.
17.
Hardness of water can be removed by boiling if it is due to
calcium bicarbonates
calcium sulphates
calcium chloride
calcium nitrates.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
18.
A well is considered to be good if it is sunk into
Clay
Sand
Coarse gravel
Silt.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
19.
The nitrate concentration in domestic water supplies, is generally limited to
10 ppm
15 ppm
25 ppm
30 ppm
45 ppm.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
20.
Sluice valves in main water supplies
are used to regulate the flow of water in pipes
are spaced about 5 km apart
are usually placed at the summits
all the above.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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