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Fluid mechanics final exam questions and answers 2023

The thermodynamic properties of the used air i.e. temperature, gas constant and pressure was used to determine the density of air as 0.95 (kg/m^3). Mas flow rate was then determined for all the cases. The mass flow rates were then used to determine the corresponding Flinger numbers for each case. The Fliegner numbers were then used to find the Mach number i.e. the ration of local velocity of fluid to the speed of sound at that point. The corresponding pressure ration for each case was also deter...

This report details an experiment that involved a setup designed to test the growth of the boundary layer of air at low pressure flowing along a flat plate. The data collected was used to obtain the velocity profiles for each point taken along the plate, which was used to give an estimation of the points where flow regime changed from laminar to turbulent. Graphs of non-dimensional thickness against non-dimensional velocity were drawn to obtain the profiles, and boundary layer thickness against ...

FLUID MECHANICS Test Questions and Answers Maximum - Answer-The velocity of a fluid particle at the center of the pipe section is______. Decreases - Answer-For supersonic flow, the pressure of fluid must increase as the fluid flow area of the duct: D. It may occur owing to cohesion when the fluid is at rest - Answer-Which is incorrect statement regarding apparent shear forces. A. It can never be found in frictionless fluid regardless of its motion B. It can never be found when the flui...

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An electron will not be ejected - If the energy of the incident photon is less than the work function: Increases - For supersonic flow, the pressure of fluid must decrease as the fluid flow area of the duct. Dynamic viscosity / kinematic viscosity - Density in term of viscosity is: Shape - Liquids and gases take the following characteristic(s) of their contents. C. A and B above are correct - Alcohol finds use in manometers as: A. It provides a suitable meniscus for the inclined tube B...