Discussion
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- Question
All the gases are considered to have compressible flow and all the liquids are considered to have incompressible flow.
Options- A. Correct
- B. Incorrect
- Correct Answer
- Correct
- 1. The siphon will work satisfactorily, if the minimum pressure in the pipe is __________ vapour pressure of liquid.
Options- A. equal to
- B. less than
- C. more than Discuss
- 2. The velocity corresponding to Reynold number of 2000 is called
Options- A. sub-sonic velocity
- B. super-sonic velocity
- C. lower critical velocity
- D. higher critical velocity Discuss
- 3. A venturiflume is a flumed structure constructed across a channel by restricting its width.
Options- A. True
- B. False Discuss
- 4. A piezometer tube is used only for measuring
Options- A. low pressure
- B. high pressure
- C. moderate pressure
- D. vacuum pressure Discuss
- 5. When an internal mouthpiece is running free, the discharge through the mouthpiece is (where a = Area of mouthpiece, and H = Height of liquid above the mouthpiece)
Options- A. 0.5 a2gH
- B. 0.707 a2gH
- C. 0.855 a2gH
- D. a2gH Discuss
- 6. Select the correct statement
Options- A. Weber's number is the ratio of inertia force to elastic force.
- B. Weber's number is the ratio of gravity force to surface tension force.
- C. Weber's number is the ratio of viscous force to pressure force.
- D. Weber's number is the ratio of inertia force to surface tension force. Discuss
- 7. The discharge of a depressed nappe is 6 to 7 percent __________ that of a free nappe.
Options- A. less than
- B. more than Discuss
- 8. Euler's number is the ratio of __________ force to pressure force.
Options- A. inertia
- B. gravity
- C. viscous Discuss
- 9. The length AB of a pipe ABC in which the liquid is flowing has diameter (d1) and is suddenly contracted to diameter (d2) at B which is constant for the length BC. The loss of head due to sudden contraction, assuming coefficient of contraction as 0.62, is
Options- A.
- B.
- C.
- D.
Discuss
- 10. The difference between the notch and weir is that the notch is of bigger size and the weir is of a smaller size.
Options- A. Agree
- B. Disagree Discuss
Hydraulics and Fluid Mechanics problems
Search Results
Correct Answer: more than
Correct Answer: lower critical velocity
Correct Answer: True
Correct Answer: moderate pressure
Correct Answer: 0.5 a2gH
Correct Answer: Weber's number is the ratio of inertia force to surface tension force.
Correct Answer: more than
Correct Answer: inertia
Correct Answer:
Correct Answer: Disagree
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