Hydraulics and Fluid Mechanics problems
- 1. The total pressure on the top of a closed cylindrical vessel competely filled up with a liquid is
Options- A. directly proportional to (radius)2
- B. inversely proportional to (radius)2
- C. directly proportional to (radius)4
- D. inversely proportional to (radius)4 Discuss
Correct Answer: directly proportional to (radius)4
- 2. The ratio of the inertia force to the __________ is called Euler's number.
Options- A. pressure force
- B. elastic force
- C. surface tension force
- D. viscous force Discuss
Correct Answer: pressure force
- 3. The body will float if the force of buoyancy is __________ the weight of the liquid displaced.
Options- A. equal to
- B. less than
- C. more than Discuss
Correct Answer: more than
- 4. A vertical wall is subjected to a pressure due to one kind of liquid, on one of its sides. The total pressure on the wall acts at a distance __________ from the liquid surface.
Options- A. H/3
- B. H/2
- C. 2H/3
- D. 3H/4 Discuss
Correct Answer: 2H/3
- 5. Kinematic viscosity is the product of dynamic viscosity and the density of the liquid.
Options- A. Yes
- B. No Discuss
Correct Answer: No
- 6. The top of the weir over which the water flows is known as
Options- A. sill or crest
- B. nappe or vein
- C. orifice
- D. none of these Discuss
Correct Answer: sill or crest
- 7. A notch is, usually, made of a metallic plate.
Options- A. Correct
- B. Incorrect Discuss
Correct Answer: Correct
- 8. The pressure of liquid at throat in a venturimeter is __________ than that at inlet.
Options- A. higher
- B. lower Discuss
Correct Answer: lower
- 9. A thick liquid like a syrup has a __________ viscosity than a light liquid like water.
Options- A. lesser
- B. greater Discuss
Correct Answer: greater
- 10. The ratio of specific weight of a liquid to the specific weight of pure water at a standard temperature is called
Options- A. density of liquid
- B. specific gravity of liquid
- C. compressibility of liquid
- D. surface tension of liquid Discuss
Correct Answer: specific gravity of liquid
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