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 πx x x/2 2x πx x x/2 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). 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 None of these V/Vmax = (r/x)1/7 ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Bernoulli's equation is not applicable, when the flow is Viscous Irrotational All of these Incompressible Viscous Irrotational All of these Incompressible ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics In magnetic flow meters, voltage generation is Both A and B Neither A nor B Due to the motion of conducting fluid through an externally generated uniform field Proportional to the fluid velocity Both A and B Neither A nor B Due to the motion of conducting fluid through an externally generated uniform field Proportional to the fluid velocity ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics For laminar flow of a shear thinning liquid in a pipe, if the volumetric flow rate is doubled, the pressure gradient will increase by a factor of 43832 2 >2 43832 2 >2 ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The value of critical Reynolds number for pipe flow is 1300 None of these 10000 100000 1300 None of these 10000 100000 ANSWER DOWNLOAD EXAMIANS APP