Fluid Mechanics The Prandtl mixing length is 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 Zero at the pipe wall and is a universal constant ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Reciprocating pumps compared to centrifugal pumps Are not subject to air binding Can be operated with delivery valve closed Can handle slurries more efficiently Deliver liquid at uniform pressure Are not subject to air binding Can be operated with delivery valve closed Can handle slurries more efficiently Deliver liquid at uniform pressure ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The dimension of kinematic viscosity is ML⁻²T⁻² None of these L²T⁻¹ ML⁻²T⁻¹ ML⁻²T⁻² None of these L²T⁻¹ ML⁻²T⁻¹ ANSWER DOWNLOAD EXAMIANS APP
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/16 Q/2 Q/8 Q/4 Q/16 Q/2 Q/8 Q/4 ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics With the increase in depth, the hydrostatic pressure in an unaccelerated incompressible fluid (in a constant gravitational field) Increases exponentially Increases linearly Remains constant Decreases Increases exponentially Increases linearly Remains constant Decreases ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Very small pressure difference (< 5 mm water coloumn) can be most conveniently measured by a/an __________ manometer. U-tube mercury Inclined tube mercury Inclined tube water U-tube water U-tube mercury Inclined tube mercury Inclined tube water U-tube water ANSWER DOWNLOAD EXAMIANS APP
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