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Home Mechanical Engineering Hydraulics and Fluid Mechanics Comments

  • Question
  • The vacuum pressure is always the negative gauge pressure.


  • Options
  • A. Yes
  • B. No

  • Correct Answer
  • Yes 


  • Hydraulics and Fluid Mechanics problems


    Search Results


    • 1. 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
    • 2. 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
    • 3. 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
    • 4. 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
    • 5. 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
    • 6. When a cylindrical vessel of radius (r) containing liquid is revolved about its vertical axis ? rad/s, then depth of parabola which the liquid assumes is

    • Options
    • A.
    • B.
    • C.
    • D.
    • Discuss
    • 7. The value of coefficient of discharge is __________ the value of coefficient of velocity.

    • Options
    • A. less than
    • B. same as
    • C. more than
    • Discuss
    • 8. Turbulent flow takes place at high velocities.

    • Options
    • A. Agree
    • B. Disagree
    • Discuss
    • 9. The ratio of the inertia force to the viscous force is called

    • Options
    • A. Reynold's number
    • B. Froude's number
    • C. Weber's number
    • D. Euler's number
    • Discuss
    • 10. The pressure of a liquid measured with the help of a piezometer tube is

    • Options
    • A. vacuum pressure
    • B. gauge pressure
    • C. absolute pressure
    • D. atmospheric pressure
    • Discuss


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