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Q. What is the ratio of fluid carrying capacity of two pipes having diameters d₁ and d₂ respectively ?
Explore Relevant Multiple Choice Questions (MCQs)
Q. The equivalent diameter for flow through a rectangular duct of width B and height H is
Q. Pick out the Hagen-Poiseulle's equation.
Q. During fluid flow, variation of shear stress(τ) with velocity gradientat (dv/dy) constant pressure temperature is shown below in the figure. In the below figure, Binghom plastic is represented by the curve .
Q. Which is the correct relationship for a centrifugal pump ? (where, D = Impeller diameter, inches H = Head developed, ft of liquid pumped N = Speed of pump, rpm)
Q. The location of centre of pressure, which defines the point of application of the total pressure force on the surface, can be calculated by applying the principle of moments according to which "sum of the moment of the resultant force about an axis is equal to the sum of the components about the same axis". The centre of pressure of a rectangular surface (of width 'w') immersed vertically in a static mass of fluid is at a depth of(where, y = depth of the liquid)
Q. A centrifugal pump is used to pump water through a horizontal distance of 150 m, and then raised to an overhead tank 10 m above. The pipe is smooth with an I.D of 50 mm. What head (m of water) must the pump generate at its exit (E) to deliver water at a flow rate of 0.001 m³/s? The Fanning friction factor, f is 0.0062.
Q. Pick out the Kozney-Karman equation (valid for low Nʀₑ) for fluid flow through a packed bed of solids.
Q. Characteristic curves for a centrifugal pump plotted against its capacity is shown in the diagram. x, y and z denote respectively
Q. Specific speed for a centrifugal pump is
Q. For flow through a venturi at a particular discharge, the correct relationships among velocities at point X, Y and Z would be
Q. In frictional fluid flow, the following quantity is
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.
Q. For the manometer set up shown in the figure, the pressure difference Pᴀ - Pʙ is given by
Q. Drag co-officient Cᴅ, in Stoke's law range is given by
Q. In power law, consider the following equation, then the fluid is
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
Q. Various efficiencies of a centrifugal pump are related as (where, ηₘ = mechanical efficiency ηᵥ = volumetric efficiency. ηₘₐ = manometric efficiency ηₒ = overall efficiency)
Q. Fanning equation is given by below equation. It is applicable to __________ region flow.
Q. The head loss due to sudden expansion is
Q. Pressure drop for turbulent fluid flow through a circular pipe is given by
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