Hydraulics and Fluid Mechanics problems
- 1. A flow whose streamline is represented by a curve, is called
Options- A. one-dimensional flow
- B. two-dimensional flow
- C. three-dimensional flow
- D. four-dimensional flow Discuss
Correct Answer: two-dimensional flow
- 2. Stoke is the unit of
Options- A. kinematic viscosity in C. G. S. units
- B. kinematic viscosity in M. K. S. units
- C. dynamic viscosity in M. K. S. units
- D. dynamic viscosity in S. I. units Discuss
Correct Answer: kinematic viscosity in C. G. S. units
- 3. A weir is said to be narrow-crested weir, if the width of the crest of the weir is __________ half the height of water above the weir crest.
Options- A. equal to
- B. less than
- C. more than Discuss
Correct Answer: less than
- 4. The vacuum pressure is always the negative gauge pressure.
Options- A. Yes
- B. No Discuss
Correct Answer: Yes
- 5. When a cylindrical vessel of radius (r) containing liquid is revolved about its vertical axis ? rad/s, then depth of parabola which the liquid assumes is
Options- A.
- B.
- C.
- D.
Discuss
Correct Answer:
- 6. The value of coefficient of discharge is __________ the value of coefficient of velocity.
Options- A. less than
- B. same as
- C. more than Discuss
Correct Answer: less than
- 7. Turbulent flow takes place at high velocities.
Options- A. Agree
- B. Disagree Discuss
Correct Answer: Agree
- 8. The ratio of the inertia force to the viscous force is called
Options- A. Reynold's number
- B. Froude's number
- C. Weber's number
- D. Euler's number Discuss
Correct Answer: Reynold's number
- 9. The pressure of a liquid measured with the help of a piezometer tube is
Options- A. vacuum pressure
- B. gauge pressure
- C. absolute pressure
- D. atmospheric pressure Discuss
Correct Answer: gauge pressure
- 10. If the depth of water in an open channel is greater than the critical depth, the flow is called
Options- A. critical flow
- B. turbulent flow
- C. tranquil flow
- D. torrential flow Discuss
Correct Answer: tranquil flow
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