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Consider two hydraulic turbines identical specific speed and effective head at the inlet

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Kaplan water turbine is commonly used when the flow through its runner

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In order to have maximum power from a Pelton turbine, the bucket speed must be

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If the head is reduced to 20 m, the power developed (in kW) is

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The number of non-dimensional variables is

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The flow is ideal, the power developed is

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The number of non-dimensional parameters is

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Kaplan turbine is

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The Specific Speed for a pump is ______

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The velocity of water (in m/s) is _________

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In which direction does the shear stress act on the face AB of the fluid element shown near the plate?

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A steady laminar boundary layer is formed over a flat plate as shown in the figure

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The total drag force (in N) per unit width of the plate is ____

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An incompressible fluid flows over a flat plate with zero pressure gradient

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Consider a steady in compressible flow through a channel as shown below.

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The integrated drag force (in N) on the plate, between p-s, is

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Wall shear stress

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Within a boundary layer for a steady in compressible flow, the Bernoulli equation

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If F is the ratio of the drag force on the front half of the plate to the drag force on the rear half, then

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If ‘x’ is the distance measured from the leading edge of a flat plate, then laminar boundary layer thickness varies as

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