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- Question
For a most economical rectangular channel, the hydraulic mean depth, is equal to
Options- A. the depth of flow
- B. half the depth of flow
- C. one-third depth of flow
- D. None of these.
- Correct Answer
- half the depth of flow
- 1. The discharg formula Q = Cd 2gH x A is used for rectangular
Options- A. small orifices only
- B. large orifices only
- C. small and large orifices only
- D. for all types of orifices. Discuss
- 2. The discharge through a V-notch weir varies as
Options- A. H
- B. 1/H
- C. H3/2
- D. H7/2
- E. H5/2. Discuss
- 3. Water belongs to
Options- A. Newtonian fluids
- B. non-Newtonian fluids
- C. compressible fluid
- D. none of these. Discuss
- 4. 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
Options- A.
- B.
- C.
- D.
Discuss
- 5. For mountaneous regions having steep slope, wagons for carrying liquid are made with bottom
Options- A. parallel to the road surface
- B. parallel to the horizontal surface
- C. inclined upward while moving upwards
- D. inclined downward while moving downwards. Discuss
- 6. Flow of water in pipes of diameter more than 3 metres, can be measured by
Options- A. pitot tube
- B. venturimeter
- C. orifice plate
- D. rotameter. Discuss
- 7. Energy equation is usually applicable to
Options- A. non-uniform flow
- B. turbulent flow
- C. laminar flow
- D. steady flow. Discuss
- 8. Hydraulic grade line
Options- A. remains above the centre line of conduit
- B. remains below the centre line of conduit
- C. remains parallel to the centre line of conduit
- D. may be above or below the centre line of conduit. Discuss
- 9. The flow is called rotational if its velocity normal to the plane of area is equal to
Options- A. angular velocity vector
- B. twice the angular velocity vector
- C. thrice the angular velocity vector
- D. none of these. Discuss
- 10. The dimensional formula of force is
Options- A. MLT-2
- B. M-1LT2
- C. ML-2T
- D. M-1L2T-2
- E. none of these. Discuss
Hydraulics problems
Search Results
Correct Answer: large orifices only
Correct Answer: H7/2
Correct Answer: Newtonian fluids
Correct Answer:
Correct Answer: parallel to the horizontal surface
Correct Answer: rotameter.
Correct Answer: steady flow.
Correct Answer: may be above or below the centre line of conduit.
Correct Answer: twice the angular velocity vector
Correct Answer: MLT-2
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