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Partial differential equations Quiz Questions and Answers PDF Download eBook p. 13

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Quiz on Partial differential equations PDF Download eBook

Partial differential equations Quiz

MCQ: For partial differential equation, if b² - 4ac < 0 then equation is called

  1. hyperbolic
  2. parabolic
  3. elliptic
  4. none of above


Transformation of Equation Quiz

MCQ: Ideally, to ensure best results, aspect ratio should be equal to

  1. zero
  2. one
  3. two
  4. three


Purpose of CFD Quiz

MCQ: If Pu is upstream pressure and Pd is downstream pressure, Euler number is equal to

  1. Pd - Pu/pV²
  2. Pu - Pd/pV²
  3. Pu - Pd/pV³
  4. Pu - Pd/pV


Finite difference method Quiz

MCQ: Formula of central differencing for 2nd order is

  1. Δhf(x) = f(x+h) - f(x)
  2. Δh²f(x) = f(x+h) - f(x-h)
  3. Δhf(x) = f(x) - f(x+h)
  4. 2Δhf(x) = f(x+h) - f(x-h)


Purpose of CFD Quiz

MCQ: The ratio of flow inertia to external field is called

  1. Froude number
  2. Mach number
  3. Reynolds number
  4. cavitation number