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Civil Engineering - Water Supply Engineering

Exercise : Water Supply Engineering - Section 8
6.
Pick up the incorrect statement from the following :
The pH value of water indicates the logarithm of reciprocal of hydrogen ion concentration in water
Higher value of pH means lower hydrogen ion concentration
Lower value of pH means higher hydrogen ion contraction
Lower value of pH gives alkaline solution
None of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
7.
Pick up the correct statement from the following :
The volume of underground water extracted by gravity drainage from a saturated soil, is known as yield
The ratio of volume drained to the total volume of material drained, is known as specific yield
The volume of water retained by the soil against the pull of gravity, is called specific retention or field capacity
The sum of specific yield and specific retention, is equal to porosity
All the above.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
8.
Perched acquifers generally occur
below water table
above water table
in acquicludes
in artesian acquifers
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
9.
Silt storage is the same as
dead storage
live storage
effective storage
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
10.
For complete stabilisation of organic matter in polluted water, it takes
5 days
10 days
20 days
30 days
40 days.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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