Discussion
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- Question
The unit of kinematic viscosity in S. I. units is
Options- A. N-m/s
- B. N-s/m2
- C. m2/s
- D. N-m
- Correct Answer
- m2/s
- 1. The imaginary line drawn in the fluid in such a way that the tangent to any point gives the direction of motion at that point, is known as
Options- A. path line
- B. stream line
- C. steak line
- D. potential line Discuss
- 2. The absolute pressure is equal to
Options- A. gauge pressure + atmospheric pressure
- B. gauge pressure - atmospheric pressure
- C. atmospheric pressure - gauge pressure
- D. gauge pressure - vacuum pressure Discuss
- 3. A hemispherical tank of radius (R) has an orifice of cross-sectional area (a) at its bottom and is full of liquid. The time required to empty the tank completely is
Options- A.
- B.
- C.
- D.
Discuss
- 4. The variation in the volume of a liquid with the variation of pressure is called its
Options- A. surface tension
- B. compressibility
- C. capillarity
- D. viscosity Discuss
- 5. The discharge through a channel of trapezoidal section is maximum when
Options- A. width of channel at the top is equal to twice the width at the bottom
- B. depth of channel is equal to the width at the bottom
- C. the sloping side is equal to half the width at the top
- D. the sloping side is equal to the width at the bottom Discuss
- 6. The intensity of pressure at any point, in a liquid, is
Options- A. directly proportional to the area of the vessel containing liquid
- B. directly proportional to the depth of liquid from the surface
- C. directly proportional to the length of the vessel containing liquid
- D. inversely proportional to the depth of liquid from the surface Discuss
- 7. The line of action of the force of buoyancy acts through the centre of gravity of the volume of the liquid displaced.
Options- A. True
- B. False Discuss
- 8. 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
- 9. 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
- 10. 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
Hydraulics and Fluid Mechanics problems
Search Results
Correct Answer: stream line
Correct Answer: gauge pressure + atmospheric pressure
Correct Answer:
Correct Answer: compressibility
Correct Answer: the sloping side is equal to half the width at the top
Correct Answer: directly proportional to the depth of liquid from the surface
Correct Answer: True
Correct Answer: two-dimensional flow
Correct Answer: kinematic viscosity in C. G. S. units
Correct Answer: less than
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