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Civil Engineering - Water Supply Engineering

Exercise : Water Supply Engineering - Section 5
36.
Pick up the incorrect statement from the following. In take of water supply should
be nearer to the treatment plant
receive water from purer zone of the source
be located downstream of waste water disposal point
remain easily accessible during floods.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
37.
Reciprocating pumps
are not suitable for variable heads
are four times costlier than centrifugal pumps
are not suitable for pumping water containing sediments
single stroke produce pulsating flow
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
38.
The temporary hardness of water can be removed by
boiling
adding lime
adding alum
filtration
sedimentation.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
39.
Rapid gravity filters
were developed by G.W. Fullar
make use of coarser sand with effective size as 0.5 mm
yield as high as 30 times the yield of slow sand filters
are fed with coagulation treated water
all the above.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
40.
If n is porosity, y is specific yield and r is specific retention of any soil, the relationship which holds good, is
n + y + r = 1
n + y = r
n + r = y
y + r = n
n + r + y = 0
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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