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Home ‣ Mechanical Engineering ‣ Hydraulics and Fluid Mechanics Comments
  • Question

  • 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

  • Correct Answer
  • specific gravity of liquid 

    • Hydraulics and Fluid Mechanics problems

    Search Results

    • 1. A thick liquid like a syrup has a __________ viscosity than a light liquid like water.

    • Options
    • A. lesser
    • B. greater
      • Discuss
    • 2. The pressure of liquid at throat in a venturimeter is __________ than that at inlet.

    • Options
    • A. higher
    • B. lower
      • Discuss
    • 3. A notch is, usually, made of a metallic plate.

    • Options
    • A. Correct
    • B. Incorrect
      • Discuss
    • 4. 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
    • 5. Kinematic viscosity is the product of dynamic viscosity and the density of the liquid.

    • Options
    • A. Yes
    • B. No
      • Discuss
    • 6. 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
    • 7. 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
    • 8. In two dimensional flow, the flow does not take place in a curve.

    • Options
    • A. True
    • B. False
      • Discuss
    • 9. The discharge through a channel of circular section will be maximum when the depth of water is __________ the diameter of the circular channel.

    • Options
    • A. 0.34 times
    • B. 0.67 times
    • C. 0.81 times
    • D. 0.95 times
      • Discuss
    • 10. The error in discharge (dQ/Q) to the error in measurement of head (dH/H) over a triangular notch is given by

    • Options
    • A.
    • B.
    • C.
    • D.
      • Discuss

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