Fluid Mechanics The length of the tube necessary for the boundary layer to reach the centre of the tube and for fully developed flow to be established is called the __________ length. None of these Prandtl mixing Transition Equivalent None of these Prandtl mixing Transition Equivalent ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The Prandtl mixing length is Zero at the pipe wall and is a universal constant Independent of the shear stress Useful for computing laminar flow problems Independent of radial distance from the pipe axis Zero at the pipe wall and is a universal constant Independent of the shear stress Useful for computing laminar flow problems Independent of radial distance from the pipe axis ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Select the wrong statement pertaining to flow of an incompressible fluid through a venturimeter. Venturimeter occupies less space than an orificemeter Discharge of fluid through a venturimeter depends upon the gage difference irrespective of the orientation of venturimeter Venturimeter incurs less power loss compared to an equivalent orificemeter For frictionless flow, the fluid pressure entering the venturi meter will be exactly equal to that leaving the venturimeter Venturimeter occupies less space than an orificemeter Discharge of fluid through a venturimeter depends upon the gage difference irrespective of the orientation of venturimeter Venturimeter incurs less power loss compared to an equivalent orificemeter For frictionless flow, the fluid pressure entering the venturi meter will be exactly equal to that leaving the venturimeter ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Terminal velocity is A fluctuating velocity None of these A constant velocity with no acceleration Attained after moving one-half of total distance A fluctuating velocity None of these A constant velocity with no acceleration Attained after moving one-half of total distance 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 V1.8 V-0.2 V2.7 V2 V1.8 V-0.2 V2.7 V2 ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Which of the following must be followed by the flow of a fluid (real or ideal)? (I) Newton's law of viscosity. (II) Newton's second law of motion. (III) The continuity equation. (IV) Velocity of boundary layer must be zero relative to boundary. (V) Fluid cannot penetrate a boundary. I, II, V II, III, V I, II, III II, IV, V I, II, V II, III, V I, II, III II, IV, V ANSWER DOWNLOAD EXAMIANS APP
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