Discussion
Home ‣ Civil Engineering ‣ Hydraulics Comments
- Question
If H is the difference of liquid levels on two sides of an orifice (width b, depth d), the discharge through the orifice will be
Options- A. Cdbd22gH
- B. Cdb2d2gH
- C. Cdbd2gh
- D. Cdbd.2g H1/2.
- Correct Answer
- Cdbd2gh
- 1. If H is height of the liquid above the sill, the effect of end contractions, according to Francis formula, is
Options- A. 0.1 H
- B. 0.2 H
- C. 0.3 H
- D. 0.4 H
- E. 0.5 H. Discuss
- 2. The value of kinetic energy correction factor (a) for a laminar flow through a circular pipe, is
Options- A. 0.5
- B. 1.0
- C. l.5
- D. 2.0
- E. 2.5 Discuss
- 3. A spherical load 900 kg is rolled through 9.8 m across the deck of a ship weighing 10, 000 kg. If the metacentric height of the ship is 5 metres, the angle of heel, is
Options- A. 10° 5'
- B. 10° 10'
- C. 10° 15'
- D. 10° 20' Discuss
- 4. Water flows through a convergent mouthpiece of diameter 4 cm at convergence under a head of 3 metres. If the maximum vacuum pressure is 9 metres of water, the maximum diameter of divergence, to aviod separation of flow, is
Options- A. 4 cm
- B. 6 cm
- C. 2 cm
- D. 23 cm. Discuss
- 5. Pick up the correct statement from the following :
Options- A. In incompressible flow the density of a fluid remains constant
- B. In compressible flow, the density of a fluid changes from point to point
- C. In uniform flow, the velocity of a fluid does not change with respect to length of flow direction
- D. All the above. Discuss
- 6. A triangular notch is preferred to a rectangular notch because
Options- A. only one reading is required
- B. its formula is simple to remember
- C. it gives more accurate results for low discharge
- D. it measures a wide range of flows accurately
- E. all the above. Discuss
- 7. For steady flow in open channels, which one of the following does not change :
Options- A. depth of flow
- B. velocity of flow
- C. rate of flow
- D. All of these. Discuss
- 8. Equation of continuity of fluids is applicable only if
Options- A. flow is steady
- B. flow is compressive
- C. flow is one dimensional
- D. velocity is uniform over the cross-sections
- E. all the above. Discuss
- 9. Frictional loss of head includes the loss of energy due to
Options- A. viscosity
- B. turbulence
- C. both (a) and (b)
- D. none of these. Discuss
- 10. A nozzle is fitted at the end of a pipe whose length is 320 m and diameter is 10 cm. If the value of f = 0.01, the diameter of the nozzle for the maximum transmission of power through the nozzle is
Options- A. 2.4 cm
- B. 2.5 cm
- C. 2.6 cm
- D. 2.7 cm. Discuss
Hydraulics problems
Search Results
Correct Answer: 0.1 H
Correct Answer: 2.0
Correct Answer: 10° 15'
Correct Answer: 2 cm
Correct Answer: All the above.
Correct Answer: all the above.
Correct Answer: All of these.
Correct Answer: all the above.
Correct Answer: none of these.
Correct Answer: 2.5 cm
Comments
There are no comments.More in Civil Engineering:
Programming
Copyright ©CuriousTab. All rights reserved.