Discussion
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- Question
The discharge over a right angled notch is (where H = Height of liquid above the apex of notch)
Options- A.
Cd 2g x H - B. Cd 2g x H3/2
- C. Cd 2g x H2
- D. Cd 2g x H5/2
- Correct Answer
- Cd 2g x H5/2
- 1. The metacentric heights of two floating bodies A and B are 1 m and 1.5 m respectively. Select the correct statement.
Options- A. The bodies A and B have equal stability
- B. The body A is more stable than body B
- C. The body B is more stable than body A
- D. The bodies A and B are unstable Discuss
- 2. A manometer is used to measure
Options- A. low pressure
- B. moderate pressure
- C. high pressure
- D. atomospheric pressure Discuss
- 3. A vertical wall is subjected to a pressure due to one kind of liquid, on one of its sides. The total pressure on the wall per unit length is (where w = Specific weight of liquid, and H = Height of liquid)
Options- A. wH
- B. wH/2
- C. wH2/2
- D. wH2/3 Discuss
- 4. One litre of water occupies a volume of
Options- A. 100 cm3
- B. 250 cm3
- C. 500 cm3
- D. 1000 cm3 Discuss
- 5. In a depressed nappe
Options- A. the pressure below the nappe is atmospheric
- B. the pressure below the nappe is negative
- C. the pressure above the nappe is atmospheric
- D. the pressure above the nappe is negative Discuss
- 6. 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
- 7. 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
- 8. 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
- 9. A siphon is used to connect two reservoirs at different levels intervened by a high ridge.
Options- A. True
- B. False Discuss
- 10. 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
Hydraulics and Fluid Mechanics problems
Search Results
Correct Answer: The body B is more stable than body A
Correct Answer: high pressure
Correct Answer: wH2/2
Correct Answer: 1000 cm3
Correct Answer: the pressure below the nappe is negative
Correct Answer: specific weight
Correct Answer: takes place in straight line
Correct Answer:
Correct Answer: True
Correct Answer: total energy measured with respect to the datum passing through the bottom of the channel
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