Discussion
Home ‣ Mechanical Engineering ‣ Hydraulics and Fluid Mechanics Comments
- Question
Turbulent flow takes place at high velocities.
Options- A. Agree
- B. Disagree
- Correct Answer
- Agree
- 1. The value of coefficient of discharge is __________ the value of coefficient of velocity.
Options- A. less than
- B. same as
- C. more than Discuss
- 2. 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
- 3. The vacuum pressure is always the negative gauge pressure.
Options- A. Yes
- B. No Discuss
- 4. 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
- 5. 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
- 6. 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
- 7. 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
- 8. 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
- 9. A submerged body is said to be in a stable equilibrium, if its centre of gravity __________ the centre of buoyancy.
Options- A. coincides with
- B. lies below
- C. lies above Discuss
- 10. A fluid whose viscosity does not change with the rate of deformation or shear strain is known as
Options- A. real fluid
- B. ideal fluid
- C. newtonian fluid
- D. non-newtonian fluid Discuss
Hydraulics and Fluid Mechanics problems
Search Results
Correct Answer: less than
Correct Answer:
Correct Answer: Yes
Correct Answer: less than
Correct Answer: kinematic viscosity in C. G. S. units
Correct Answer: Reynold's number
Correct Answer: gauge pressure
Correct Answer: tranquil flow
Correct Answer: lies below
Correct Answer: newtonian fluid
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