Interview questions of Fluid Mechanics

• What is the difference between laminar and turbulent flow?
• How do you calculate the Reynolds number?
• What is the Navier-Stokes equation?
• How does the Bernoulli equation relate to fluid mechanics?
• What is the difference between incompressible and compressible fluid flow?
• How do you determine the boundary layer thickness in a fluid flow?
• What is the principle of continuity in fluid mechanics?
• How does the concept of viscosity apply to fluid mechanics?
• Can you explain the difference between streamline, pathline and streakline?
• What is the difference between pressure and velocity head in fluid mechanics?
• What is the difference between static and dynamic pressure?
• What is the difference between hydrostatic and hydrodynamic pressure?
• How does the concept of density apply to fluid mechanics?
• What is the difference between internal and external flow?
• What is the purpose of a centrifugal pump in fluid mechanics?
• How does the concept of turbulence affect fluid flow?
• What is the difference between stream function and velocity potential?
• What is the equation of motion for fluid flow?
• Can you explain the concept of critical flow in fluid mechanics?
• What is the difference between ideal and real fluid flow?
• How does the concept of viscosity affect the flow of non-Newtonian fluids?
• Can you explain the concept of specific weight in fluid mechanics?
• What is the difference between rotational and irrotational flow?
• What is the difference between turbulent and transitional flow?
• What is the difference between steady and unsteady flow?
• What is the purpose of a fluid coupling in fluid mechanics?
• How does the concept of fluid flow rate apply to fluid mechanics?
• What is the difference between subsonic and supersonic flow?
• What is the difference between open channel and closed channel flow?
• Can you explain the concept of fluid flow measurement in fluid mechanics?
• What is the difference between laminar and transitional boundary layers?
• How does the concept of fluid flow rate affect pipe flow?
• What is the difference between radial and axial flow?
• Can you explain the concept of boundary layer separation in fluid mechanics?
• What is the difference between a free surface and a fixed surface in fluid mechanics?
• How does the concept of fluid flow rate affect open channel flow?
• What is the difference between forced and natural convection?
• Can you explain the concept of dimensional analysis in fluid mechanics?
• What is the difference between laminar and turbulent boundary layers?
• How does the concept of fluid flow rate affect closed channel flow?
• What is the difference between forced and free vortex flow?
• Can you explain the concept of fluid flow visualization in fluid mechanics?
• What is the difference between two-dimensional and three-dimensional flow?
• How does the concept of fluid flow rate affect turbine flow?
• What is the difference between incompressible and compressible fluid flow?
• Can you explain the concept of fluid flow simulation in fluid mechanics?
• What is the difference between potential flow and viscous flow?
• How does the concept of fluid flow rate affect compressor flow?
• What is the difference between free and forced vortex flow?
• Can you explain the concept of fluid flow modeling in fluid mechanics?
• What is the difference between laminar and turbulent pipe flow?
• How does the concept of fluid flow rate affect pump flow?
• What is the difference between open and closed conduit flow?
• Can you explain the concept of fluid flow control in fluid mechanics?
• What is the difference between inviscid and viscous fluid flow?
• How does the concept of fluid flow rate affect fan flow?
• What is the difference between rotational and irrotational flow?
• Can you explain the concept of fluid flow optimization in fluid mechanics?
• What is the difference between steady and unsteady flow?
• How does the concept of fluid flow rate affect jet flow

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