Discussion
Home ‣ Mechanical Engineering ‣ Hydraulics and Fluid Mechanics Comments
- Question
The diameter of the nozzle (d) for maximum transmission of power is given by (where D = Diameter of pipe, f = Darcy 's coefficient of friction for pipe, and l = Length of pipe )
Options- A.
- B.
- C.
- D.
- Correct Answer
-
- 1. In open channels, the specific energy is the
Options- A. total energy per unit discharge
- B. total energy measured with respect to the datum passing through the bottom of the channel
- C. total energy measured above the horizontal datum
- D. kinetic energy plotted above the free surface of water Discuss
- 2. A siphon is used to connect two reservoirs at different levels intervened by a high ridge.
Options- A. True
- B. False Discuss
- 3. A tank of uniform cross-sectional area (A) containing liquid upto height (H1) has an orifice of cross-sectional area (a) at its bottom. The time required to empty the tank completely will be
Options- A.
- B.
- C.
- D.
Discuss
- 4. In one dimensional flow, the flow
Options- A. is steady and uniform
- B. takes place in straight line
- C. takes place in curve
- D. takes place in one direction Discuss
- 5. The weight per unit volume of a liquid at a standard temperature and pressure is called
Options- A. specific weight
- B. mass density
- C. specific gravity
- D. none of these Discuss
- 6. The maximum discharge over a broad crested weir is
Options- A. 0.384 Cd x L x H1/2
- B. 0.384 Cd x L x H3/2
- C. 1.71 Cd x L x H1/2
- D. 1.71 Cd x L x H3/2 Discuss
- 7. A structure whose width is __________ the width of the channel, is called a flumed structure.
Options- A. less than
- B. more than Discuss
- 8. Coefficient of resistance is the ratio of
Options- A. actual velocity of jet at vena contracta to the theoretical velocity
- B. area of jet at vena contracta to the area of orifice
- C. loss of head in the orifice to the head of water available at the exit of the orifice
- D. actual discharge through an orifice to the dieoretical discharge Discuss
- 9. An error of 1% in measuring head over the apex of the notch (H) will produce an error of __________ in discharge over a triangular notch.
Options- A. 1%
- B. 1.5%
- C. 2%
- D. 2.5% Discuss
- 10. The pressure less than atmospheric pressure is known as
Options- A. suction pressure
- B. vacuum pressure
- C. negative gauge pressure
- D. all of these Discuss
Hydraulics and Fluid Mechanics problems
Search Results
Correct Answer: total energy measured with respect to the datum passing through the bottom of the channel
Correct Answer: True
Correct Answer:
Correct Answer: takes place in straight line
Correct Answer: specific weight
Correct Answer: 1.71 Cd x L x H3/2
Correct Answer: less than
Correct Answer: loss of head in the orifice to the head of water available at the exit of the orifice
Correct Answer: 2.5%
Correct Answer: all of these
Comments
There are no comments.More in Mechanical Engineering:
Programming
Copyright ©CuriousTab. All rights reserved.