Fluid Mechanics Consider a centrifugal pump having a specific impeller diameter, fixed impeller speed pumping a liquid of constant density at a particular discharge capacity. With decrease in the capacity of the pump, the __________ decreases. Head of the liquid pumped BHP required by the pump All of these NPSH required Head of the liquid pumped BHP required by the pump All of these NPSH required ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Terminal velocity is None of these A fluctuating velocity A constant velocity with no acceleration Attained after moving one-half of total distance None of these A fluctuating velocity A constant velocity with no acceleration Attained after moving one-half of total distance ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics In an incompressible flow of fluid, the fluid Compressibility is greater than zero Density does not change with pressure & temperature Is frictionless Temperature remains constant Compressibility is greater than zero Density does not change with pressure & temperature Is frictionless Temperature remains constant ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Prandtl mixing length is A universal constant Zero at the pipe wall Applicable to laminar flow problems None of these A universal constant Zero at the pipe wall Applicable to laminar flow problems None of these 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 Inverse of the fluid viscosity First power of its dimeter Square of the difference in specific weights of solid & fluid Inverse square of the diameter Inverse of the fluid viscosity First power of its dimeter ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The hydrodynamic and thermal boundary layers will merge, when 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 Nusselt number tends to infinity ANSWER DOWNLOAD EXAMIANS APP
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