Fluid Mechanics The Prandtl mixing length is 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 Useful for computing laminar flow problems Zero at the pipe wall and is a universal constant ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Two dimensional stream function Is constant along a stream line Is constant along an equipotential surface Relates velocity and pressure None of these Is constant along a stream line Is constant along an equipotential surface Relates velocity and pressure None of these ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Boundary layer separation occurs when the Pressure reaches a minimum Cross-section of the channel is reduced Valve is closed in a pipeline Velocity of sound is reached Pressure reaches a minimum Cross-section of the channel is reduced Valve is closed in a pipeline Velocity of sound is reached ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The peripherial velocity at inlet of a centrifugal pump having inlet diameter of 25 cms and rotating at 950 rpm is __________ m/sec. 186.2 736.4 1.8 12.4 186.2 736.4 1.8 12.4 ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The ratio of pressure forces to inertial forces is called the __________ number. Reynold Euler Froude Mach Reynold Euler Froude Mach ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The ratio of hydrodynamic boundary layer to thermal boundary layer thickness in case of liquid metals is 2 1 < 1 > 1 2 1 < 1 > 1 ANSWER DOWNLOAD EXAMIANS APP
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