Discussion
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- Question
The maximum efficiency of transmission through a pipe is
Options- A. 50%
- B. 56.7%
- C. 66.67%
- D. 76.66%
- Correct Answer
- 66.67%
- 1. In a free 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
- 2. The centre of gravity of the volume of the liquid displaced is called
Options- A. centre of pressure
- B. centre of buoyancy
- C. metacentre
- D. none of these Discuss
- 3. The discharge through a siphon spillway is
Options- A. Cd x a2gH
- B. Cd x a2g x H3/2
- C. Cd x a2g x H2
- D. Cd x a2g x H5/2 Discuss
- 4. The loss of head due to an obstruction in a pipe is twice the loss of head at its entrance.
Options- A. Agree
- B. Disagree Discuss
- 5. A flow in which the volume of a fluid and its density does not change during the flow is called __________ flow.
Options- A. incompressible
- B. compressible Discuss
- 6. 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
- 7. One litre of water occupies a volume of
Options- A. 100 cm3
- B. 250 cm3
- C. 500 cm3
- D. 1000 cm3 Discuss
- 8. 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
- 9. A manometer is used to measure
Options- A. low pressure
- B. moderate pressure
- C. high pressure
- D. atomospheric pressure Discuss
- 10. 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
Hydraulics and Fluid Mechanics problems
Search Results
Correct Answer: the pressure below the nappe is atmospheric
Correct Answer: centre of buoyancy
Correct Answer: Cd x a2gH
Correct Answer: Agree
Correct Answer: incompressible
Correct Answer: the pressure below the nappe is negative
Correct Answer: 1000 cm3
Correct Answer: wH2/2
Correct Answer: high pressure
Correct Answer: The body B is more stable than body A
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