Civil Engineering - Water Supply Engineering

21.
According to Kuichling's formula, fire demand in litres per minute for a population of P thousands, is
3182 P
4637 P [1 - 0.01 P]
5663 P.
Answer: Option
Explanation:
No answer description is available. Let's discuss.

22.
The maximum permissible nitrites in public water supplies, is
Nil
0.5 P.P.M.
1.0. P.P.M.
1.5 P.P.M.
200 P.P.M.
Answer: Option
Explanation:
No answer description is available. Let's discuss.

23.
A high velocity of wash water is required for
rapid gravity filter with strainers
rapid gravity filter without strainers
slow sand filter with strainers
slow sand filter without strainers
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.

24.
In distribution pipes, drain valves are provided at
lower point
higher point
junction points
any where.
Answer: Option
Explanation:
No answer description is available. Let's discuss.

25.
Corrosion of well pipes may not be reduced by
reducing the draw down and the pumping rate
reducing the flow velocity
using thicker pipes
using screens having larger area of openings
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.