Fluid Mechanics Power number is the ratio of Inertial stress to gravitational stress Gravitational stress to drag stress Inertial stress to drag stress Drag stress to inertial stress Inertial stress to gravitational stress Gravitational stress to drag stress Inertial stress to drag stress Drag stress to inertial stress ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Boundary layer thickness in laminar flow over a flat plate increases as(where, d = distance from the leading edge.) d2 d2/3 √d d1/3 d2 d2/3 √d d1/3 ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The ratio of hydrodynamic boundary layer to thermal boundary layer thickness in case of liquid metals is > 1 2 < 1 1 > 1 2 < 1 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 terminal velocity of a small sphere settling in a viscous fluid varies as the Inverse of the fluid viscosity Square of the difference in specific weights of solid & fluid First power of its dimeter Inverse square of the diameter Inverse of the fluid viscosity Square of the difference in specific weights of solid & fluid First power of its dimeter Inverse square of the diameter ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Reynolds number for flow of water at room temperature through 2 cm dia pipe at an average velocity of 5 cm/sec is around 100 10 2000 1000 100 10 2000 1000 ANSWER DOWNLOAD EXAMIANS APP