Discussion
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- Question
When a cylindrical vessel containing liquid is revolved about its vertical axis at a constant angular velocity, the pressure
Options- A. varies as the square of the radial distance
- B. increases linearly as its radial distance
- C. increases as the square of the radial distance
- D. decreases as the square of the radial distance
- Correct Answer
- varies as the square of the radial distance
- 1. In a broad-crested weir, the discharge is maximum if the head of water on the downstream side of weir is __________ the head of water on the upstream side of weir.
Options- A. equal to
- B. one-third
- C. two-third
- D. three-fourth Discuss
- 2. In a convergent mouthpiece, the absolute pressure head at vena contracta is the same as that of the atmosphere.
Options- A. True
- B. False Discuss
- 3. In the manufacturing of lead shots, the property of surface tension is utilised.
Options- A. Agree
- B. Disagree Discuss
- 4. The force per unit length is the unit of
Options- A. surface tension
- B. compressibility
- C. capillarity
- D. viscosity Discuss
- 5. A flow in which the quantity of liquid flowing per second is not constant, is called
Options- A. streamline flow
- B. turbulent flow
- C. steady flow
- D. unsteady flow Discuss
- 6. The force present in a moving liquid is
Options- A. inertia force
- B. viscous force
- C. gravity force
- D. all of these Discuss
- 7. The velocity of the liquid flowing through the divergent portion of a venturimeter
Options- A. remains constant
- B. increases
- C. decreases
- D. depends upon mass of liquid Discuss
- 8. The mercury does not wet the glass. This is due to the property of the liquid known as
Options- A. cohesion
- B. adhesion
- C. viscosity
- D. surface tension Discuss
- 9. The total pressure on the top of a closed cylindrical vessel of radius (r) completely filled up with liquid of specific weight (w) and rotating at (?) rad/s about its vertical axis, is
Options- A.
- B.
- C.
- D.
Discuss
- 10. The ratio of the inertia force to the elastic force is called
Options- A. Reynold's number
- B. Froude's number
- C. Weber's number
- D. Mach number Discuss
Hydraulics and Fluid Mechanics problems
Search Results
Correct Answer: two-third
Correct Answer: True
Correct Answer: Agree
Correct Answer: surface tension
Correct Answer: unsteady flow
Correct Answer: all of these
Correct Answer: decreases
Correct Answer: surface tension
Correct Answer:
Correct Answer: Mach number
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