Fluid Mechanics The equation given below is called the __________ . f-0.5 = 4.07 loge (NRe√f)-0.6 Fanning equation Colebrook formula None of these Von-Karman equation Fanning equation Colebrook formula None of these Von-Karman equation ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Shear stress in a fluid flowing in a round pipe Remains constant over the cross-section Is zero at the centre and varies linearly with the radius Varies parabolically across the cross-section Is zero at the wall and increases linearly to the centre Remains constant over the cross-section Is zero at the centre and varies linearly with the radius Varies parabolically across the cross-section Is zero at the wall and increases linearly to the centre ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Specific speed of a centrifugal pump relates it with another pump having the Same speed Dynamic similarity Geometrical similarity Same efficiency Same speed Dynamic similarity Geometrical similarity Same efficiency 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). V₁ = V₂ = V₃ F = f₁ + f₂ + f₃ Q₁ = Q₂ = Q₃ Q = Q₁ + Q₂ + Q₃ V₁ = V₂ = V₃ F = f₁ + f₂ + f₃ Q₁ = Q₂ = Q₃ Q = Q₁ + Q₂ + Q₃ ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Boundary layer thickness in turbulent flow over a flat plate increases as(where, d = distance from the leading edge.) d2/3 √d d4/5 d1/3 d2/3 √d d4/5 d1/3 ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The head loss in turbulent flow in a pipe varies Inversely as the square of diameter As velocity As (velocity)² Inversely as the velocity Inversely as the square of diameter As velocity As (velocity)² Inversely as the velocity ANSWER DOWNLOAD EXAMIANS APP
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