Discussion
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- Question
Hydraulic gradient is equal to difference in water surfaces
Options- A.
- B.
- C.
- D.
- Correct Answer
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- 1. The discharge over a Cipolletti weir of length 2.185 m when the head over the weir is 1 m, is
Options- A. 2.0 m3
- B. 2.5 m3
- C. 3.0 m3
- D. 4.0 m3. Discuss
- 2. For critical depth of flow of water in open channels, fc the specific energy must be :
Options- A. minimum
- B. maximum
- C. average of maximum and minimum
- D. None of these. Discuss
- 3. In a centrifugual pump casing, the flow of water leaving the impeller, is
Options- A. rectilinear flow
- B. radial flow
- C. free vortex motion
- D. forced vertex. Discuss
- 4. In fluids, steady flow occurs when
Options- A. conditions of flow change steadily with time
- B. conditions of flow do not change with time at a point
- C. conditions of flow remain the same at adjacent point
- D. velocity vector remains constant at a point. Discuss
- 5. The length of pipe is L, velocity of flow of a liquid in the pipe is V. If t is the time in second required to close the valve, the head of pressure
Options- A.
- B.
- C.
- D. none of these. Discuss
- 6. Cavitation is caused by
Options- A. Low pressure
- B. High pressure
- C. Low velocity
- D. High velocity
- E. None of these. Discuss
- 7. A steady uniform flow is through
Options- A. a long pipe at decreasing rate
- B. a long pipe at constant rate
- C. an expanding tube at constant rate
- D. an expanding tube at increasing rate
- E. a long pipe at increasing rate. Discuss
- 8. Gauge pressure is
Options- A. absolute pressure - atmospheric pressure
- B. absolute pressure + atmospheric pressure
- C. atmospheric pressure - absolute pressure
- D. none of these. Discuss
- 9. The height of water level in a tank above the centre of a circular hole 2.5 cm in diameter is 50 m. The velocity of water flowing through the hole, is
Options- A. 31.1 m/sec
- B. 31.2 m/sec
- C. 31.3 m/sec
- D. 31.4 m/sec. Discuss
- 10. In order to avoid capillary correction, the minimum diameter of a manometer used for measuring pressure, should be
Options- A. 2 mm
- B. 4 mm
- C. 6 mm
- D. 8 mm
- E. 10 mm. Discuss
Hydraulics problems
Search Results
Correct Answer: 4.0 m3.
Correct Answer: minimum
Correct Answer: free vortex motion
Correct Answer: conditions of flow do not change with time at a point
Correct Answer:
Correct Answer: Low pressure
Correct Answer: a long pipe at constant rate
Correct Answer: absolute pressure - atmospheric pressure
Correct Answer: 31.3 m/sec
Correct Answer: 6 mm
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