Discussion
Home ‣ Mechanical Engineering ‣ Hydraulics and Fluid Mechanics Comments
- Question
A notch is, usually, made of a metallic plate.
Options- A. Correct
- B. Incorrect
- Correct Answer
- Correct
- 1. 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
- 2. Kinematic viscosity is the product of dynamic viscosity and the density of the liquid.
Options- A. Yes
- B. No Discuss
- 3. 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
- 4. 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
- 5. 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
- 6. The pressure of liquid at throat in a venturimeter is __________ than that at inlet.
Options- A. higher
- B. lower Discuss
- 7. A thick liquid like a syrup has a __________ viscosity than a light liquid like water.
Options- A. lesser
- B. greater Discuss
- 8. 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
- 9. A channel is said to be of most economical cross-section, if
Options- A. it gives maximum discharge for a given cross-sectional area and bed slope
- B. it has minimum wetted perimeter
- C. it involves lesser excavation for the designed amount of discharge
- D. all of the above Discuss
- 10. The purpose of a surge tank is
Options- A. to control the pressure variations due to rapid changes in the pipe line flow
- B. to eliminate water hammer possibilities
- C. to regulate flow of water to turbines by providing necessary retarding head of water
- D. all of the above Discuss
Hydraulics and Fluid Mechanics problems
Search Results
Correct Answer: sill or crest
Correct Answer: No
Correct Answer: 2H/3
Correct Answer: more than
Correct Answer: pressure force
Correct Answer: lower
Correct Answer: greater
Correct Answer: specific gravity of liquid
Correct Answer: all of the above
Correct Answer: all of the above
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