Fluid Mechanics Capillary rise of mercury in a small diameter tube is proportional to (where, d = diameter of the tube, σ = surface tension of mercury) Σ 1/d D L/σ Σ 1/d D L/σ ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics While starting a centrifugal pump, its delivery valve should be kept Either opened or closed; depending on the fluid viscosity Opened Closed Either opened or closed ; it does not make any difference Either opened or closed; depending on the fluid viscosity Opened Closed Either opened or closed ; it does not make any difference ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Bernoulli's equation is not applicable, when the flow is All of these Irrotational Incompressible Viscous All of these Irrotational Incompressible Viscous ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The most economical flow control valve for use with large diameter pipes is a Needle valve Globe valve None of these Butterfly valve Needle valve Globe valve None of these Butterfly valve ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Purpose of relief valve in a reciprocating pump is to Protect the pump against developing excessive pressure Reduce the discharge pressure Facilitate unidirectional flow of liquid Control the rate of discharge Protect the pump against developing excessive pressure Reduce the discharge pressure Facilitate unidirectional flow of liquid Control the rate of discharge ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Power number is the ratio of Inertial stress to gravitational stress Gravitational stress to drag stress Drag stress to inertial stress Inertial stress to drag stress Inertial stress to gravitational stress Gravitational stress to drag stress Drag stress to inertial stress Inertial stress to drag stress ANSWER DOWNLOAD EXAMIANS APP