Fluid Mechanics Applying a pressure drop across a capillary results in a volumetric flow rate 'Q' under laminar flow conditions. The flow rate for the same pressure drop, in a capillary of the same length but half the radius is Q/2 Q/4 Q/8 Q/16 Q/2 Q/4 Q/8 Q/16 ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics With increase in the ratio of orifice diameter to pipe diameter in case of an orificemeter, the overall pressure loss Decreases Increases Increases linearly Remains constant Decreases Increases Increases linearly Remains constant 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 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 Discharge of fluid through a venturimeter depends upon the gage difference irrespective of the orientation of venturimeter Venturimeter occupies less space than an orificemeter 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 Discharge of fluid through a venturimeter depends upon the gage difference irrespective of the orientation of venturimeter ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics In frictional fluid flow, the quantity, P/ρ + V²/2gc + gz/gc, is Not constant along a streamline None of these Constant along a streamline Increased in the direction of flow Not constant along a streamline None of these Constant along a streamline Increased in the direction of flow ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The hydrodynamic and thermal boundary layers will merge, when Prandtl number is one Archimedes number is greater than 10000 Schmidt number tends to infinity Nusselt number tends to infinity Prandtl number is one Archimedes number is greater than 10000 Schmidt number tends to infinity Nusselt number tends to infinity ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Shear stress in a fluid flowing in a round pipe Is zero at the wall and increases linearly to the centre Remains constant over the cross-section Varies parabolically across the cross-section Is zero at the centre and varies linearly with the radius Is zero at the wall and increases linearly to the centre Remains constant over the cross-section Varies parabolically across the cross-section Is zero at the centre and varies linearly with the radius ANSWER DOWNLOAD EXAMIANS APP