Civil Engineering - Hydraulics

11. 

Atmospheric pressure varies with

A. altitude
B. temperature
C. weather conditions
D. all of the above.

Answer: Option D

Explanation:

No answer description available for this question. Let us discuss.

12. 

The magnitude of water hammer in a pipe depends upon

A. speed at which value is closed
B. length of the pipe line
C. elastic properties of the pipe material
D. elastic properties of the following liquid
E. all the above.

Answer: Option E

Explanation:

No answer description available for this question. Let us discuss.

13. 

If velocities of fluid particles vary from point to point in magnitude and direction, as well as from instant to instant, the flow is said to be

A. laminar
B. turbulent flow
C. uniform flow
D. non-uniform flow.

Answer: Option B

Explanation:

No answer description available for this question. Let us discuss.

14. 

The rise of the liquid along the walls of a revolving cylinder above the initial level, is

A. greater than the depression of the liquid at the axis of rotation
B. lesser than the depression of the liquid at the axis of rotation
C. the same as the depression of the liquid at the axis of rotation
D. none of these.

Answer: Option C

Explanation:

No answer description available for this question. Let us discuss.

15. 

Fluids change the volume under external presssure due to

A. plasticity
B. viscosity
C. compressibility
D. none of these.

Answer: Option C

Explanation:

No answer description available for this question. Let us discuss.