Computational Fluid Dynamics MCQ
Q1. Computational Fluid Dynamics is primarily used to:
📘 View ExplanationQ2. Which basic law forms the foundation of CFD?
📘 View ExplanationQ3. In CFD, discretization means:
📘 View ExplanationQ4. What does a mesh in CFD represent?
📘 View ExplanationQ5. Which method is NOT standard for discretization in CFD?
📘 View ExplanationQ6. CFD can solve which type of problem?
📘 View ExplanationQ7. To model turbulence in CFD, which model is often used?
📘 View ExplanationQ8. What does “boundary condition” specify in a CFD simulation?
📘 View ExplanationQ9. Conservation of mass in CFD is enforced using:
📘 View ExplanationQ10. Which variable is NOT a primary variable in fluid simulation?
📘 View ExplanationQ11. The CFL condition in CFD ensures:
📘 View ExplanationQ12. Which process converts a partial differential equation to algebraic equations?
📘 View ExplanationQ13. A solution that does not change with time is called:
📘 View ExplanationQ14. "Mesh independence" means:
📘 View ExplanationQ15. Which technique reduces calculation error by using smaller time steps?
📘 View ExplanationQ16. Main advantage of Finite Volume Method in CFD is:
📘 View ExplanationQ17. The "iteration" process in CFD refers to:
📘 View ExplanationQ18. Staggered grid avoids pressure-velocity coupling problems in:
📘 View ExplanationQ19. Wall function in CFD is used for:
📘 View ExplanationQ20. Which error reduces with mesh refinement?
📘 View ExplanationQ21. Which flow assumption is made in incompressible CFD?
📘 View ExplanationQ22. What is the main goal of turbulence modeling in CFD?
📘 View ExplanationQ23. A very fine mesh leads to:
📘 View ExplanationQ24. Reynolds Number shows ratio of:
📘 View ExplanationQ25. For high-speed compressible flows, which equation is crucial?
📘 View ExplanationQ26. In CFD, “residual” indicates:
📘 View ExplanationQ27. Implicit solvers in CFD are:
📘 View ExplanationQ28. Solver convergence criterion is usually based on:
📘 View ExplanationQ29. CFD software can provide:
📘 View ExplanationQ30. The SIMPLE algorithm in CFD stands for:
📘 View ExplanationQ31. Grid cell aspect ratio mainly affects:
📘 View ExplanationQ32. Post-processing in CFD includes:
📘 View ExplanationQ33. A “coarse mesh” can lead to:
📘 View ExplanationQ34. “Ghost cells” are used in CFD for:
📘 View ExplanationQ35. Heat transfer by convection in CFD is modeled via:
📘 View ExplanationQ36. The Pressure Correction equation helps:
📘 View ExplanationQ37. CFD validation ensures:
📘 View ExplanationQ38. What is “VOF method” in CFD commonly used for?
📘 View ExplanationQ39. The result of a converged steady CFD simulation should:
📘 View ExplanationQ40. Which of the following is NOT a CFD application?
📘 View Explanation
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