Fluid Mechanics The terminal velocity of a small sphere settling in a viscous fluid varies as the 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 Square of the difference in specific weights of solid & fluid ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Reynolds number for water flow through a tube of I.D. 5 cm is 1500. If a liquid of 5 centipoise viscosity and 0.8 specific gravity flows in the same pipe at the same velocity, then the pressure drop will Increase Remain same Data insufficient to predict pressure drop Decrease Increase Remain same Data insufficient to predict pressure drop Decrease ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The normal stress is the same in all directions at a point in a fluid, when the fluid is Non-viscous Both A and B Incompressible Having no motion of one fluid layer relative to the other Non-viscous Both A and B Incompressible Having no motion of one fluid layer relative to the other ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics As per Newton's law of viscosity, the shear stress for a given rate of angular deformation of fluid is proportional to(where, μ = fluid viscosity) 1/μ² μ² 1/μ μ 1/μ² μ² 1/μ μ ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Cavitation in a centrifugal pump can be avoided by keeping the Inlet pressure low Outlet pressure low Outlet pressure high Inlet pressure high Inlet pressure low Outlet pressure low Outlet pressure high Inlet pressure high ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics For pipes that must be broken at intervals for maintenance, the connector used should be a/an Elbow Reducer Union Tee Elbow Reducer Union Tee ANSWER DOWNLOAD EXAMIANS APP