Computational Fluid Dynamics MCQ

Practice the most important Computational Fluid Dynamics MCQ MCQs with answers and detailed explanations to improve your preparation.

Q1. Computational Fluid Dynamics is primarily used to:

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Q2. Which basic law forms the foundation of CFD?

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Q3. In CFD, discretization means:

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Q4. What does a mesh in CFD represent?

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Q5. Which method is NOT standard for discretization in CFD?

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Q6. CFD can solve which type of problem?

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Q7. To model turbulence in CFD, which model is often used?

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Q8. What does β€œboundary condition” specify in a CFD simulation?

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Q9. Conservation of mass in CFD is enforced using:

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Q10. Which variable is NOT a primary variable in fluid simulation?

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Q11. The CFL condition in CFD ensures:

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Q12. Which process converts a partial differential equation to algebraic equations?

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Q13. A solution that does not change with time is called:

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Q14. "Mesh independence" means:

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Q15. Which technique reduces calculation error by using smaller time steps?

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Q16. Main advantage of Finite Volume Method in CFD is:

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Q17. The "iteration" process in CFD refers to:

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Q18. Staggered grid avoids pressure-velocity coupling problems in:

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Q19. Wall function in CFD is used for:

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Q20. Which error reduces with mesh refinement?

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Q21. Which flow assumption is made in incompressible CFD?

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Q22. What is the main goal of turbulence modeling in CFD?

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Q23. A very fine mesh leads to:

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Q24. Reynolds Number shows ratio of:

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Q25. For high-speed compressible flows, which equation is crucial?

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Q26. In CFD, β€œresidual” indicates:

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Q27. Implicit solvers in CFD are:

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Q28. Solver convergence criterion is usually based on:

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Q29. CFD software can provide:

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Q30. The SIMPLE algorithm in CFD stands for:

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