Fluid Mechanics The equivalent diameter for pressure drop calculation for a duct of square cross-section is given by(where, x = each side of the square duct) 2x x/2 πx x 2x x/2 πx x ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The Stoke's stream function applies to the Cases of axial symmetry Irrotational flow only Ideal/non-viscous fluids only None of these Cases of axial symmetry Irrotational flow only Ideal/non-viscous fluids only None of these ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The hydrodynamic and thermal boundary layers will merge, when Prandtl number is one Nusselt number tends to infinity Schmidt number tends to infinity Archimedes number is greater than 10000 Prandtl number is one Nusselt number tends to infinity Schmidt number tends to infinity Archimedes number is greater than 10000 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 F = f₁ + f₂ + f₃ Q₁ = Q₂ = Q₃ V₁ = V₂ = V₃ Q = Q₁ + Q₂ + Q₃ F = f₁ + f₂ + f₃ Q₁ = Q₂ = Q₃ V₁ = V₂ = V₃ ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics With increase in molecular weight of the gas, the head developed by a centrifugal compressor will Increase Remain same Unpredictable Decrease Increase Remain same Unpredictable Decrease ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The Mach number for hypersonic flow of compressible fluid is > 1 < 2 > 4 1 > 1 < 2 > 4 1 ANSWER DOWNLOAD EXAMIANS APP
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