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Mechanical Engineering :: Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME - section-1
  1. High specific speed of turbine implies it is

    2. A.

     Propeller turbine
    B.

     Francis turbine
    C.

     Impulse turbine
    D.

     None of the above

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  2. Reaction turbines are used for

    3. A.

     Low head
    B.

     High head
    C.

     High head and low discharge
    D.

     Low head and high discharge

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  3. Which of the following pump is preferred for flood control and irrigation applications?

    4. A.

     Centrifugal pump
    B.

     Axial flow pump
    C.

     Mixed flow pump
    D.

     Reciprocating pump

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  4. Viscous force is the __________ of shear stress due to viscosity and cross-section area of flow.

    5. A.

     Sum
    B.

     Different
    C.

     Product
    D.

     Ratio

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  5. Bernoulli's equation is applied to

    6. A.

     Venturimeter
    B.

     Orifice meter
    C.

     Pitot tube
    D.

     All of these

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  6. Capillary action is due to the

    7. A.

     Surface tension
    B.

     Cohesion of the liquid
    C.

     Adhesion of the liquid molecules and the molecules on the surface of a solid
    D.

     All of the above

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  7. For manometer, a better liquid combination is one having

    8. A.

     Higher surface tension
    B.

     Lower surface tension
    C.

     Surface tension is no criterion
    D.

     High density and viscosity

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  8. The function of guide vanes in a reaction turbine is to

    9. A.

     Allow the water to enter the runner without shock
    B.

     Allow the water to flow over them, without forming eddies
    C.

     Allow the required quantity of water to enter the turbine
    D.

     All of the above

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  9. The discharge through a siphon spillway is

    10. A.

     Cd × a × √(2gH)
    B.

     Cd × a × √(2g) × H3/2
    C.

     Cd × a × √(2g) × H2
    D.

     Cd × a × √(2g) × H5/2

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

    11. A.

     Lesser
    B.

     Greater
    C.

     Same
    D.

     None of these

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