Fluid Mechanics In frictional fluid flow, the quantity, P/ρ + V²/2gc + gz/gc, is Increased in the direction of flow Not constant along a streamline Constant along a streamline None of these Increased in the direction of flow Not constant along a streamline Constant along a streamline None of these ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Permanent loss in a venturimeter is about __________ percent of the pressure drop in theupstream cone. 70 40 10 1 70 40 10 1 ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The Stoke's stream function applies to the Irrotational flow only Cases of axial symmetry None of these Ideal/non-viscous fluids only Irrotational flow only Cases of axial symmetry None of these Ideal/non-viscous fluids only ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The Prandtl mixing length is Zero at the pipe wall and is a universal constant Independent of radial distance from the pipe axis Useful for computing laminar flow problems Independent of the shear stress Zero at the pipe wall and is a universal constant Independent of radial distance from the pipe axis Useful for computing laminar flow problems Independent of the shear stress ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics For turbulent fluid flow in pipe, the expression for Prandtl one seventh power law is (where, r = pipe radius, x = distance). None of these V/Vmax = (r/x)1/7 V/Vmax = (x/r)1/7 V/Vmax = (x.r)1/7 None of these V/Vmax = (r/x)1/7 V/Vmax = (x/r)1/7 V/Vmax = (x.r)1/7 ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics If three pipes of different diameters, lengths & friction factors are connected in parallel, then (where, Q = flow rate, V= fluid velocity f = friction factor). Q = Q₁ + Q₂ + Q₃ V₁ = V₂ = V₃ F = f₁ + f₂ + f₃ Q₁ = Q₂ = Q₃ Q = Q₁ + Q₂ + Q₃ V₁ = V₂ = V₃ F = f₁ + f₂ + f₃ Q₁ = Q₂ = Q₃ ANSWER DOWNLOAD EXAMIANS APP
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