Discussion
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- Question
Which one of the following equation is applicable to unsteady flow in open channels :
Options- A.
- B.
- C.
- D.
- Correct Answer
-
- 1. 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. Discuss
- 2. 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% Discuss
- 3. Discharge over an ogee weir remains the same as that of
Options- A. sharp crested weir
- B. triangular weir
- C. cippoletti weir
- D. drowned weir. Discuss
- 4. Manometers are used to measure
Options- A. pressure in water channels, pipes etc.
- B. difference in pressure at two points
- C. atmospheric pressure
- D. very low pressure. Discuss
- 5. If total head available at the inlet of pipe and f1 is the loss of head due to friction in the pipe, the maximum efficiency of transmission of power (?max) is
Options- A. 1/2
- B. 2/3
- C. 3/4
- D. 4/5 Discuss
- 6. 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. Discuss
- 7. 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. Discuss
- 8. The equation
for the viscosity, is suggested
Options- A. Bernoulli
- B. Newton
- C. Chezy
- D. Bezin
- E. Helmholtz. Discuss
- 9. 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. Discuss
- 10. 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. Discuss
Hydraulics problems
Search Results
Correct Answer: Flow in water pipe lines.
Correct Answer: 2.5%
Correct Answer: cippoletti weir
Correct Answer: pressure in water channels, pipes etc.
Correct Answer: 2/3
Correct Answer: all the above.
Correct Answer: at the summit
Correct Answer: Newton
Correct Answer: 2 rad/sec
Correct Answer: an expanding tube at constant rate
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