Q. Pick out the Kozney-Karman equation (valid for low Nʀₑ) for fluid flow through a packed bed of solids.

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Q. Characteristic curves for a centrifugal pump plotted against its capacity is shown in the diagram. x, y and z denote respectively

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Q. Specific speed for a centrifugal pump is

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Q. For flow through a venturi at a particular discharge, the correct relationships among velocities at point X, Y and Z would be

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Q. In frictional fluid flow, the following quantity is

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Q. What is the force required (in Newtons) to hold a spherical balloon stationary in water at a depth of H from the air-water iterface? The balloon is of radius 0.1 m and is filled with air.

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Q. For the manometer set up shown in the figure, the pressure difference Pᴀ - Pʙ is given by

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Q. Drag co-officient Cᴅ, in Stoke's law range is given by

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Q. In power law, consider the following equation, then the fluid is

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Q. The equivalent diameter for pressure drop calculation for a fluid flowing through a rectangular cross-section channels having sides 'x' & 'y' is given by

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Q. Various efficiencies of a centrifugal pump are related as (where, ηₘ = mechanical efficiency ηᵥ = volumetric efficiency. ηₘₐ = manometric efficiency ηₒ = overall efficiency)

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Q. Fanning equation is given by below equation. It is applicable to __________ region flow.

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Q. The head loss due to sudden expansion is

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Q. Pressure drop for turbulent fluid flow through a circular pipe is given by

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Q. The Kozney-Carman equation, rewritten in terms of non-dimensional numbers gives (ΔP/pu² ) proportional to

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Q. The equation given below is called the __________ .

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Q. Pick out the Blake-Plummer equation (valid for large Nʀₑ) for fluid flow through beds of solids.

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Q. The actual velocity at vena-contracta for flow through an orifice from a reservoir is given by

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Q. For flow through a venturi at a particular discharge, the correct relationships among heads at points X, Y, and Z are

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Q. The hydraulic radius for flow in a rectangular duct of cross-sectional dimension H, W is

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