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Mechanical Engineering :: Hydraulics and Fluid Mechanics

  1. Barometer is used to measure

  2. A.

     Pressure in pipes, channels etc.

    B.

     Atmospheric pressure

    C.

     Very low pressure

    D.

     Difference of pressure between two points


  3. Manometer is used to measure

  4. A.

     Pressure in pipes, channels etc.

    B.

     Atmospheric pressure

    C.

     Very low pressure

    D.

     Difference of pressure between two points


  5. A manometer is used to measure

  6. A.

     Atmospheric pressure

    B.

     Pressure in pipes and channels

    C.

     Pressure in Venturimeter

    D.

     Difference of pressures between two points in a pipe


  7. A differential manometer is used to measure

  8. A.

     Atmospheric pressure

    B.

     Pressure in pipes and channels

    C.

     Pressure in Venturimeter

    D.

     Difference of pressures between two points in a pipe


  9. Hot wire anemometer is used to measure

  10. A.

     Pressure in gases

    B.

     Liquid discharge

    C.

     Pressure in liquids

    D.

     Gas velocities


  11. A venturi-flume is used to measure

  12. A.

     Pressure of liquid

    B.

     Discharge of liquid

    C.

     Pressure difference between two points in a channel

    D.

     Pressure difference between two points in a pipe


  13. The critical depth meter is used to measure

  14. A.

     Velocity of flow in an open channel

    B.

     Depth of flow in an open channel

    C.

     Hydraulic jump

    D.

     Depth of channel


  15. A point, in a compressible flow where the velocity of fluid is zero, is called

  16. A.

     Critical point

    B.

     Vena contracta

    C.

     Stagnation point

    D.

     None of these


  17. Dynamic viscosity of most of the gases with rise in temperature

  18. A.

     Increases

    B.

     Decreases

    C.

     Remain unaffected

    D.

     Unpredictable


  19. Dynamic viscosity of most of the liquids with rise in temperature

  20. A.

     Increases

    B.

     Decreases

    C.

     Remain unaffected

    D.

     Unpredictable