Civil Engineering - Hydraulics

21.
The instrument used for measuring the velocity of flow, is known as
venturimeter
orifice meter
pitot tube
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.

22.
For a long pipe, the head loss
at the entrance is ignored
at the outlet is ignored
at the entrance and outlet both are ignored
due to friction is ignored.
Answer: Option
Explanation:
No answer description is available. Let's discuss.

23.
On a flow net diagram, the distance between two consecutive steam lines at two successive sections are 1 cm and 0.5 cm respectively. If the velocity at the first section is 1 m/sec, the velocity at the second is
1.0 m/sec
0.5 m/sec
2.0 m/sec
2.5 m/sec
3 m/sec.
Answer: Option
Explanation:
No answer description is available. Let's discuss.

24.
If L, D and f are the length, diameter and coefficient of friction of a pipe, the ratio of the areas of the pipe A and nozzle a, to transmit maximum power, is
Answer: Option
Explanation:
No answer description is available. Let's discuss.

25.
The flow is called rotational if its velocity normal to the plane of area is equal to
angular velocity vector
twice the angular velocity vector
thrice the angular velocity vector
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.