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 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 Increase Data insufficient to predict relative pressure drop Remain unchanged Decrease Increase Data insufficient to predict relative pressure drop Remain unchanged Decrease ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Pumping of a corrosive liquid is generally preferred to be done by a __________ pump, as it can be made of a variety of materials including plastics. Gear Piston Sump Positive displacement Gear Piston Sump Positive displacement 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 First power of its dimeter Inverse of the fluid viscosity Inverse square of the diameter Square of the difference in specific weights of solid & fluid First power of its dimeter Inverse of the fluid viscosity Inverse square of the diameter ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Terminal velocity is A constant velocity with no acceleration A fluctuating velocity None of these Attained after moving one-half of total distance A constant velocity with no acceleration A fluctuating velocity None of these Attained after moving one-half of total distance ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The terminal velocity of a solid spherical particle falling through a stationary fluid mass in the Stoke's law range is proportional to the Difference in the densities of the particle & fluid All of these Square of particle size Inverse of fluid viscosity Difference in the densities of the particle & fluid All of these Square of particle size Inverse of fluid viscosity ANSWER DOWNLOAD EXAMIANS APP