Hydraulics and Fluid Machines - Hydraulics and Fluid Machines objective type questions and answers


1. An ideal fluid is defined as the fluid which.......


   A.Is incompressible

   B.Is incompressible

   C.Is incompressible and non-viscous

   D.Has negligible surface tension


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C.Is incompressible and non-viscous

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2. Kinematic viscosity is defined as equal to.......


   A.Dynamic viscosity x density

   B.Dynamic viscosity/density

   C.Dynamic viscosity x pressure

   D.Pressure x density


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B.Dynamic viscosity/density

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3. Poise is the unit of .........


   A.Mass density

   B.Kinematic viscosity

   C.Viscosity

   D.Velocity gradient


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C.Viscosity

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4. Stoke is the unit of ......


   A.Surface tension

   B.Viscosity

   C.Kinematic viscosity

   D.None of the above


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C.Kinematic viscosity

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5. The increase of temperature.......


   A.Increases the viscosity of a liquid

   B.Decreases the viscosity of a liquid

   C.Decreases the viscosity of a gas

   D.Increases the viscosity of a gas


✔ View Answer


B.Decreases the viscosity of a liquid

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