Civil Engineering - Hydraulics

21.
To ensure that water does not rise more than 100 cm above the crest, for a discharge of 5.00 m3/sec, the length of water will be
2.48 m
2.49 m
2.50 m
2.51 m.
Answer: Option
Explanation:
No answer description is available. Let's discuss.

22.
For a most economical trapezoidal open channel, the half of the top width must be equal to
the bed width
one sloping side
the depth of flow
None of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.

23.
Pick up the correct statement regarding convergent divergent mouth piece from the following :
It converges upto Venacontracta and then diverges
In this mouth piece there is no loss of energy due to sudden enlargement
The coefficient of discharge is unity
All the above.
Answer: Option
Explanation:
No answer description is available. Let's discuss.

24.
The value of kinetic energy correction factor (a) for a laminar flow through a circular pipe, is
0.5
1.0
l.5
2.0
2.5
Answer: Option
Explanation:
No answer description is available. Let's discuss.

25.
The formula Q = m x L x 2g x H3/2 where was suggested by :
Bazin
Francis
Cipolletti
None of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.