Fluid Mechanics The hydraulic radius for flow in a rectangular duct of cross-sectional dimension H, W is HW/2(H + W)² HW/4(H + W)² √(HW/π) 2HW/(H + W)² HW/2(H + W)² HW/4(H + W)² √(HW/π) 2HW/(H + W)² ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The temperature in isentropic flow Depends on Mach number only None of these Cannot drop and then increase again downstream Does not depend on Mach number Depends on Mach number only None of these Cannot drop and then increase again downstream Does not depend on Mach number ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Prandtl mixing length is A universal constant Zero at the pipe wall None of these Applicable to laminar flow problems A universal constant Zero at the pipe wall None of these Applicable to laminar flow problems ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The continuity equation Stipulates that Newton's second law of motion must be satisfied at every point in the fluid Relates mass flow rate along a stream tube None of these Relates work and energy Stipulates that Newton's second law of motion must be satisfied at every point in the fluid Relates mass flow rate along a stream tube None of these Relates work and energy ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The Prandtl mixing length is Useful for computing laminar flow problems Zero at the pipe wall and is a universal constant Independent of the shear stress Independent of radial distance from the pipe axis Useful for computing laminar flow problems Zero at the pipe wall and is a universal constant 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 Flow of liquid during operation of the pump Back flow of fluid in the event of stoppage of pump All of these Discharge pressure Flow of liquid during operation of the pump Back flow of fluid in the event of stoppage of pump All of these ANSWER DOWNLOAD EXAMIANS APP
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