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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Q. A pipe has a porous section of length L as shown in the figure. Velocity at the start of this section of V₀. If fluid leaks into the pipe through the porous section at a volumetric rate per unit area q(x/L)², what will be axial velocity in the pipe at any x ? Assume incompressible one dimensional flow i.e., no gradients in the radial direction.

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Q. A free jet of water of cross-sectional area 0.01 m² and a velocity of 20 m/s strikes a plate and then flows in a plane parallel to the plate as shown in the figure below. The horizontal component of the force on the support is

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

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Q. Drag co-efficient for motion of spherical particles in a stationary fluid in the stoke's law range is

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Q. Hydraulic mean radius for flow through packed bed of spherical particle of size, 'Dₚ', with porosity 'ε' is

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