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

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

3. Poise is the unit of .........

   A.Mass density

   B.Kinematic viscosity

   C.Viscosity

   D.Velocity gradient

4. Stoke is the unit of ......

   A.Surface tension

   B.Viscosity

   C.Kinematic viscosity

   D.None of the above

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

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