Fluid Mechanics The Prandtl mixing length is 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 Independent of the shear stress Independent of radial distance from the pipe axis ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The ratio of inertial forces to viscous forces is called the __________ number. Weber Reynold Mach Froude Weber Reynold Mach Froude ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Function of air vessel provided in a reciprocating pump is to Increase the pump efficiency Avoid the necessity of priming Reduce discharge fluctuation Reduce the danger of cavitation Increase the pump efficiency Avoid the necessity of priming Reduce discharge fluctuation Reduce the danger of cavitation ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics For water, when the pressure increases, the viscosity First decreases, and then increases Decreases Also increases Remains constant First decreases, and then increases Decreases Also increases Remains constant ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Which of the following exemplifies a three dimensional fluid flow ? Fluid flow between parallel plates Fluid flow at the inlet to a nozzle Viscous fluid flow between converging plates None of these Fluid flow between parallel plates Fluid flow at the inlet to a nozzle Viscous fluid flow between converging plates None of these ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics If two capillary tubes of dia 0.5 mm and 1 mm are dipped in a pot containing mercury, then the rise of mercury is Zero in both the tubes Greater in 1 mm dia tube Greater in 0.5 mm dia tube Same in both the tubes Zero in both the tubes Greater in 1 mm dia tube Greater in 0.5 mm dia tube Same in both the tubes ANSWER DOWNLOAD EXAMIANS APP
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