Discussion
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- Question
A hemispherical tank of radius (R) containing liquid upto height (H1) has an orifice of cross-sectional area (a) at its bottom. The time required to lower the level of liquid from (H1) to (H2) will be
Options- A.
- B.
- C.
- D. none of the above
- Correct Answer
-
- 1. The discharge through a channel of rectangular section will be maximum, if
Options- A. its depth is twice the breadth
- B. its breadth is twice the depth
- C. its depth is thrice the breadth
- D. its breadth is thrice the depth Discuss
- 2. The property of a liquid which enables it to resist tensile stress is called its surface tension.
Options- A. Agree
- B. Disagree Discuss
- 3. The velocity at which the turbulent flow starts is known as higher critical velocity.
Options- A. Yes
- B. No Discuss
- 4. Bernoulli's equation is applied to
Options- A. venturimeter
- B. orifice meter
- C. pitot tube
- D. all of these Discuss
- 5. According to Newton's law of viscosity, the shear stress on a layer of a fluid is __________ to the rate of shear strain.
Options- A. equal to
- B. directly proportional
- C. inversely proportional Discuss
- 6. The coefficient of venturifiume, generally, lies between
Options- A. 0.3 to 0.45
- B. 0.50 to 0.75
- C. 0.75 to 0.95
- D. 0.95 to 1.0 Discuss
- 7. An internal mouthpiece is said to be running __________ if the length of the mouthpiece is more than three times the diameter of the orifice.
Options- A. free
- B. partially
- C. full Discuss
- 8. A pipe of length more than double the diameter of orifice fitted externally or internally to the orifice is called a
Options- A. notch
- B. weir
- C. mouthpiece
- D. nozzle Discuss
- 9. In a venturiflume, the flow takes place at
Options- A. atmospheric pressure
- B. gauge pressure
- C. absolute pressure
- D. none of these Discuss
- 10. A nozzle placed at the end of a water pipe line discharges water at a
Options- A. low pressure
- B. high pressure
- C. low velocity
- D. high velocity Discuss
Hydraulics and Fluid Mechanics problems
Search Results
Correct Answer: its breadth is twice the depth
Correct Answer: Agree
Correct Answer: Yes
Correct Answer: all of these
Correct Answer: directly proportional
Correct Answer: 0.95 to 1.0
Correct Answer: full
Correct Answer: mouthpiece
Correct Answer: atmospheric pressure
Correct Answer: high velocity
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