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 radial distance from the pipe axis Independent of the shear stress Zero at the pipe wall and is a universal constant Useful for computing laminar flow problems Independent of radial distance from the pipe axis Independent of the shear stress ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The ratio of hydrodynamic boundary layer to thermal boundary layer thickness in case of liquid metals is < 1 1 2 > 1 < 1 1 2 > 1 ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Pressure drop (Δp) for a fluid flowing in turbulent flow through a pipe is a function of velocity (V) as V2.7 V-0.2 V1.8 V2 V2.7 V-0.2 V1.8 V2 ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Scale up of agitator design requires Both geometrical and dynamic similarity Geometrical similarity only Dynamic similarity only All of these Both geometrical and dynamic similarity Geometrical similarity only Dynamic similarity only All of these ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics If the head over the triangular notch is doubled, the discharge will increase by __________ times. 2 2.828 4 5.657 2 2.828 4 5.657 ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The temperature in isentropic flow None of these Does not depend on Mach number Cannot drop and then increase again downstream Depends on Mach number only None of these Does not depend on Mach number Cannot drop and then increase again downstream Depends on Mach number only ANSWER DOWNLOAD EXAMIANS APP
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