Fluid Mechanics The Prandtl mixing length is Zero at the pipe wall and is a universal constant Useful for computing laminar flow problems Independent of the shear stress Independent of radial distance from the pipe axis Zero at the pipe wall and is a universal constant Useful for computing laminar flow problems Independent of the shear stress Independent of radial distance from the pipe axis ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Check valve provided in the discharge line of a centrifugal pump serves the purpose of controlling the Discharge pressure Back flow of fluid in the event of stoppage of pump All of these Flow of liquid during operation of the pump Discharge pressure Back flow of fluid in the event of stoppage of pump All of these Flow of liquid during operation of the pump ANSWER DOWNLOAD EXAMIANS APP
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 L/σ D Σ 1/d L/σ D ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Purpose of relief valve in a reciprocating pump is to Control the rate of discharge Reduce the discharge pressure Facilitate unidirectional flow of liquid Protect the pump against developing excessive pressure Control the rate of discharge Reduce the discharge pressure Facilitate unidirectional flow of liquid Protect the pump against developing excessive pressure ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Which of the following produces maximum pressure difference for transportation of gases? Vaccum pumps Blowers Fans Compressors Vaccum pumps Blowers Fans Compressors ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The equivalent diameter for flow through a rectangular duct of width B and height H is 4HB/(H + B) 2HB/(H + B) HB/(H + B) HB/2(H + B) 4HB/(H + B) 2HB/(H + B) HB/(H + B) HB/2(H + B) ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS