logo

CuriousTab

CuriousTab

Discussion

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

  • The rise, in water level, which occurs during the transformation of the unstable shooting flow to the stable streaming flow is called hydraulic jump.


  • Options
  • A. Yes
  • B. No

  • Correct Answer
  • Yes 

    • Hydraulics and Fluid Mechanics problems

    Search Results

    • 1. The ratio of the inertia force to the surface tension force is called Weber's number.

    • Options
    • A. Correct
    • B. Incorrect
      • Discuss
    • 2. The density of air is same at different heights.

    • Options
    • A. Correct.
    • B. Incorrect
      • Discuss
    • 3. The specific weight of water in S.I. units is taken as

    • Options
    • A. 9.81 kN/m3
    • B. 9.81 x 103 kN/m3
    • C. 9.81 x 10-6 N/mm3
    • D. any one of these
      • Discuss
    • 4. The ratio of velocity of fluid in an undisturbed stream to the velocity of sound wave is known as Mach number.

    • Options
    • A. Yes
    • B. No
      • Discuss
    • 5. Re-entrant or Borda's mouthpiece is an __________ mouthpiece.

    • Options
    • A. internal
    • B. external
      • Discuss
    • 6. If a body floating in a liquid occupies a new position and remains at rest in this new position, when given a small angular displacement, The body is said to be in __________ equilibrium.

    • Options
    • A. neutral
    • B. stable
    • C. unstable
      • Discuss
    • 7. A flow is called sub-sonic, if the Mach number is

    • Options
    • A. less than unity
    • B. unity
    • C. between 1 and 6
    • D. more than 6
      • Discuss
    • 8. The loss of head at exit of a pipe is

    • Options
    • A.
    • B.
    • C.
    • D.
      • Discuss
    • 9. Which of the following statement is correct?

    • Options
    • A. In a compressible flow, the volume of the flowing liquid changes during the flow.
    • B. A flow in which the volume of the flowing liquid does not change, is called incompressible flow.
    • C. When the particles rotate about their own axes while flowing, the flow is said to be rotational flow.
    • D. all of the above
      • Discuss
    • 10. The most economical section of a rectangular channel is one which has hydraulic mean depth or hydraulic radius equal to

    • Options
    • A. half the depth
    • B. half the breadth
    • C. twice the depth
    • D. twice the breadth
      • Discuss

    Comments

    There are no comments.
Enter a new Comment




Aptitude

Engineering

Programming

Reasoning

Links

Copyright ©CuriousTab. All rights reserved.