Fluid Mechanics Reynolds number for flow of water at room temperature through 2 cm dia pipe at an average velocity of 5 cm/sec is around 2000 10 1000 100 2000 10 1000 100 ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Purpose of relief valve in a reciprocating pump is to Reduce the discharge pressure Protect the pump against developing excessive pressure Control the rate of discharge Facilitate unidirectional flow of liquid Reduce the discharge pressure Protect the pump against developing excessive pressure Control the rate of discharge Facilitate unidirectional flow of liquid ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Prandtl mixing length is Applicable to laminar flow problems A universal constant None of these Zero at the pipe wall Applicable to laminar flow problems A universal constant None of these Zero at the pipe wall ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Power number is the ratio of Inertial stress to gravitational stress Drag stress to inertial stress Inertial stress to drag stress Gravitational stress to drag stress Inertial stress to gravitational stress Drag stress to inertial stress Inertial stress to drag stress Gravitational stress to drag stress ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics For laminar flow through a closed conduit Vmax = 2Vav Vmax = 1.5Vav Vmax = Vav Vmax = 0.5Vav Vmax = 2Vav Vmax = 1.5Vav Vmax = Vav Vmax = 0.5Vav ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The hydraulic radius for flow in a rectangular duct of cross-sectional dimension H, W is √(HW/π) HW/4(H + W)² HW/2(H + W)² 2HW/(H + W)² √(HW/π) HW/4(H + W)² HW/2(H + W)² 2HW/(H + W)² ANSWER DOWNLOAD EXAMIANS APP
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