Fluid Mechanics Unit of mass velocity is Kg/hr Kg/m³. hr Kg/m² Kg/m². hr Kg/hr Kg/m³. hr Kg/m² Kg/m². hr ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Low specific speed of a pump implies that, it is a/an __________ pump. Axial flow Mixed flow None of these Centrifugal Axial flow Mixed flow None of these Centrifugal 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.) √d d4/5 d1/3 d2/3 √d d4/5 d1/3 d2/3 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 Q₁ = Q₂ = Q₃ Q = Q₁ + Q₂ + Q₃ F = f₁ + f₂ + f₃ V₁ = V₂ = V₃ Q₁ = Q₂ = Q₃ Q = Q₁ + Q₂ + Q₃ F = f₁ + f₂ + f₃ ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Two fluids are flowing through two similar pipes of the same diameter. The Reynold's number is same. For the same flow rate if the viscosity of a fluid is reduced to half the value of the first fluid, the pressure drop will Data insufficient to predict relative pressure drop Decrease Increase Remain unchanged Data insufficient to predict relative pressure drop Decrease Increase Remain unchanged ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The hydrodynamic and thermal boundary layers will merge, when 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 Prandtl number is one ANSWER DOWNLOAD EXAMIANS APP