Chemical Engineering :: Fluid Mechanics
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If Blausius or Darcey friction factor is 'f1' then the Fanning friction factor is equal to
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Pick out the wrong statement pertaining to fluid flow.
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A Newtonion liquid (ρ = density, μ = viscosity) is flowing with velocity v in a tube of diameter 'D'. Let Δp be the pressure drop across the length 'L'. For a laminar flow, Δp is proportional to
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While starting a centrifugal pump, its delivery valve should be kept
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For flow past a flat plate, if x is the distance along the plate in the direction of flow, the boundary layer thickness is proportional to
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Velocity at a certain point in case of streamline flow is
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Sewage sludge is an example of the __________ fluid.
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In case of a rotameter, the density of the float material is __________ that of the liquid it replaces.
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Multistage centrifugal pumps are generally used for
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The fluid jet discharging from a 2" diameter orifice has a diameter of 1.75" at its vena-contracta. The co-efficient of contraction is
A.
The ratio of average velocity to the maximum velocity for turbulent flow of Newtonion fluid in circular pipes is 0.5.
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B.
The Newtonion fluid velocity in a circular pipe flow is maximum at the centre of the pipe.
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C.
Navier-Stokes equation is applicable to the analysis of viscous flows.
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D.
Hagen-Poiseuille equation is applicable to the laminar flow of Newtonion fluids.
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