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Hydraulics
Comments
Question
The equation
for the viscosity, is suggested
Options
A. Bernoulli
B. Newton
C. Chezy
D. Bezin
E. Helmholtz.
Correct Answer
Newton
Hydraulics problems
Search Results
1. To avoid an interruption in the flow of a syphon, an air vessel is provided
Options
A. at the inlet
B. at the outlet
C. at the summit
D. at any point between intet and outlet.
Show Answer
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Discuss
Correct Answer: at the summit
2. The magnitude of water hammer in a pipe depends upon
Options
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.
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Correct Answer: all the above.
3. Which one of the following equation is applicable to unsteady flow in open channels :
Options
A.
B.
C.
D.
Show Answer
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Discuss
Correct Answer:
4. The following is not a laminar flow
Options
A. Flow of oil in measuring instruments
B. Flow in beds in ground water
C. Rise of water in plants through roots
D. Flow of blood in the arteries of human body
E. Flow in water pipe lines.
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Correct Answer: Flow in water pipe lines.
5. An error of 1% in measuring the head of water over the crest of a triangular notch, produces an error in the discharge which is equal to
Options
A. 1.25%
B. 1.5%
C. 2.0%.
D. 2.5%
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Correct Answer: 2.5%
6. A cylindrical vessel 40 cm high is revolved about its vertical axis so that the water touches the bottom when it just spills out. If the radius of the cylinder is
5
cm, the angular velocity of rotation, is
Options
A. 2 rad/sec
B. 3 rad/sec
C. 4 rad/sec
D. 5 rad/sec
E. none of these.
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Correct Answer: 2 rad/sec
7. A non-uniform steady flow is through
Options
A. a long tube at a decreasing rate
B. an expanding tube at constant rate
C. an expanding tube at increasing rate
D. a long pipe at increasing rate.
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Correct Answer: an expanding tube at constant rate
8. A fluid particle may possess the displacement of
Options
A. translation
B. rotation
C. distortion
D. all the above.
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Correct Answer: all the above.
9. In Newton's viscosity equation
, the coefficient (?) is known as coefficient of
Options
A. viscosity
B. absolute viscosity
C. dynamic viscosity
D. simple viscosity
E. all the above.
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Correct Answer: all the above.
10. An ideal fluid is
Options
A. incompressible
B. compressible
C. compressible and non-viscous
D. slightly affected by surface torque.
Show Answer
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Correct Answer: compressible and non-viscous
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