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) x/2 x πx 2x x/2 x πx 2x ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The terminal velocity of a small sphere settling in a viscous fluid varies as the Square of the difference in specific weights of solid & fluid Inverse square of the diameter First power of its dimeter Inverse of the fluid viscosity Square of the difference in specific weights of solid & fluid Inverse square of the diameter First power of its dimeter Inverse of the fluid viscosity ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Mass velocity in case of steady flow and through a constant cross-section conduit is independent of the Both A & B Temperature Pressure Neither A nor B Both A & B Temperature Pressure Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Shear stress in a fluid flowing in a round pipe Is zero at the centre and varies linearly with the radius Is zero at the wall and increases linearly to the centre Remains constant over the cross-section Varies parabolically across the cross-section Is zero at the centre and varies linearly with the radius Is zero at the wall and increases linearly to the centre Remains constant over the cross-section Varies parabolically across the cross-section ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Two dimensional stream function Relates velocity and pressure Is constant along an equipotential surface None of these Is constant along a stream line Relates velocity and pressure Is constant along an equipotential surface None of these Is constant along a stream line ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Pressure drag does not depend upon the Length of the body in flow direction All of these Pressure of main flow only Roughness of surface of the body Length of the body in flow direction All of these Pressure of main flow only Roughness of surface of the body ANSWER DOWNLOAD EXAMIANS APP
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