Fluid Mechanics Viva Questions

Fluid Mechanics Viva Questions

  • What is fluid mechanics?
  • What is a fluid?
  • What is the difference between a liquid and a gas?
  • What are the properties of a fluid?
  • What is viscosity?
  • What is compressibility?
  • What is bulk modulus?
  • What is specific gravity?
  • What is pressure?
  • What is Pascal’s law?
  • What is Archimedes’ principle?
  • What is Bernoulli’s equation?
  • What is the continuity equation?
  • What is Reynolds number?
  • What is the difference between laminar and turbulent flow?
  • What is the boundary layer?
  • What is the Navier-Stokes equation?
  • What is the Euler equation?
  • What is the difference between a streamline and a pathline?
  • What is the concept of flow rate?
  • What is the difference between a control volume and a control surface?
  • What is the difference between steady and unsteady flow?
  • What is a fluid particle?
  • What is a stagnation point?
  • What is the venturi effect?
  • What is the Pitot tube?
  • What is a hydraulic jump?
  • What is cavitation?
  • What is the difference between internal and external flow?
  • What is the no-slip condition?
  • What is a boundary condition?
  • What is the difference between a streamline and a streakline?
  • What is the difference between a fluid and a solid?
  • What is a free surface?
  • What is a meniscus?
  • What is capillary action?
  • What is the Laplace equation?
  • What is the Laplace-Young equation?
  • What is the Laplace-Young-Poisson equation?
  • What is the equation of state?
  • What is the ideal gas law?
  • What is the compressible flow equation?
  • What is a shock wave?
  • What is the Mach number?
  • What is the sound speed in a fluid?
  • What is the critical Mach number?
  • What is the choking condition?
  • What is the isentropic flow equation?
  • What is the mass flow rate?
  • What is the momentum equation?
  • What is the Bernoulli equation for incompressible flow?
  • What is the energy equation?
  • What is the power equation?
  • What is the pump head?
  • What is the efficiency of a pump?
  • What is the lift force?
  • What is the drag force?
  • What is the buoyancy force?
  • What is the weight of a fluid?
  • What is the center of pressure?
  • What is the Magnus effect?
  • What is the boundary layer thickness?
  • What is the boundary layer separation?
  • What is the effect of turbulence on drag?
  • What is the effect of roughness on drag?
  • What is the effect of viscosity on drag?
  • What is the effect of pressure on drag?
  • What is the effect of Reynolds number on drag?
  • What is the effect of Mach number on drag?
  • What is the effect of angle of attack on lift and drag?
  • What is the lift-to-drag ratio?
  • What is the lift coefficient?
  • What is the drag coefficient?
  • What is the stall condition?
  • What is the sweep angle?
  • What is the aspect ratio?
  • What is the wing loading?
  • What is the induced drag?
  • What is the parasitic drag?
  • What is the interference drag?
  • What is the thrust force?
  • What is the propulsive efficiency?
  • What is the specific thrust?
  • What is the bypass ratio?
  • What is the fan pressure ratio?
  • What is the turbine inlet temperature?
  • What is the exhaust gas temperature?
  • What is the specific fuel consumption?
  • What is the thrust specific fuel consumption?
  • What is the propeller efficiency?
  • What is the propeller pitch?
  • What is the blade angle?
  • What is the blade area?
  • What is the blade aspect ratio?
  • What is the blade loading?
  • What is the blade lift coefficient?
  • What is the blade drag coefficient?
  • What is the blade efficiency?
  • What is the blade tip speed?
  • What is the slipstream?
  • What is laminar sublayer?
  • What is boundary layer displacement thickness?
  • What is a Prandtl boundary layer?
  • What is a Blasius boundary layer?
  • What is a Falkner-Skan boundary layer?
  • What is the Karman-Tsien compressibility correction factor?
  • What is the Fanno flow?
  • What is the Rayleigh flow?
  • What is the shock polar?
  • What is the method of characteristics?
  • What is the method of finite differences?
  • What is the method of finite volumes?
  • What is the method of finite elements?
  • What is the difference between Eulerian and Lagrangian approaches?
  • What is the difference between explicit and implicit methods?
  • What is the difference between steady and transient simulations?
  • What is the difference between 2D and 3D simulations?
  • What is the difference between structured and unstructured grids?
  • What is the difference between uniform and non-uniform grids?
  • What is the difference between Cartesian and curvilinear grids?
  • What is the difference between structured and unstructured meshes?
  • What is the difference between tetrahedral and hexahedral elements?
  • What is the difference between triangular and quadrilateral elements?
  • What is the difference between linear and quadratic elements?
  • What is the difference between explicit and implicit time integration?
  • What is the difference between first-order and second-order accuracy?
  • What is the difference between upwind and central differencing?
  • What is the difference between high-resolution and TVD schemes?
  • What is the difference between steady-state and transient heat transfer?
  • What is conduction heat transfer?
  • What is convection heat transfer?
  • What is radiation heat transfer?
  • What is the Fourier law of heat conduction?
  • What is the Newton law of cooling?
  • What is the Stefan-Boltzmann law?
  • What is the emissivity of a surface?
  • What is the absorption coefficient of a medium?
  • What is the scattering coefficient of a medium?
  • What is the Planck’s law of blackbody radiation?
  • What is the Wien’s displacement law?
  • What is the Kirchhoff’s law of thermal radiation?
  • What is the heat transfer coefficient?
  • What is the Nusselt number?
  • What is the Prandtl number?
  • What is the Grashof number?
  • What is the Reynolds analogy?
  • What is the Colburn analogy?
  • What is the mass transfer coefficient?
  • What is the Sherwood number?
  • What is the Schmidt number?
  • What is the Lewis number?
  • What is the Fick’s law of diffusion?


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