MCQOPTIONS
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MCQOPTIONS
This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Computational Fluid Dynamics knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
CFD provides results of ____________ |
| A. | Continuous time varying results at discrete locations |
| B. | Discrete points of space and time |
| C. | Continuous spatial results at discrete time points |
| D. | Continuous in time and space |
| Answer» C. Continuous spatial results at discrete time points | |
| 2. |
CFD analyses Fluid Dynamics using this method. |
| A. | Analytical |
| B. | Physical |
| C. | Numerical |
| D. | Experimental |
| Answer» D. Experimental | |
| 3. |
The design of this experimental NASA aircraft was aided by CFD in early days. |
| A. | Northrop |
| B. | HiMAT |
| C. | Douglas |
| D. | Rockwell |
| Answer» C. Douglas | |
| 4. |
Which of the following is not true about CFD? |
| A. | There will be a need for theory and experiments |
| B. | CFD is an equal partner of theoretical and experimental analyses |
| C. | CFD will complement theoretical and experimental Fluid Dynamics |
| D. | CFD will replace the approaches of pure theory and pure experiments |
| Answer» E. | |
| 5. |
This invention of the 20th century and accurate numerical methods have revolutionized the way we analyse Fluid Dynamics. |
| A. | High-speed digital computers |
| B. | Personal computers |
| C. | Submarines |
| D. | Rocketry |
| Answer» B. Personal computers | |
| 6. |
The eighteenth and nineteenth centuries witnessed the development of theoretical fluid dynamics in ____ countries. |
| A. | Asian |
| B. | American |
| C. | European |
| D. | African |
| Answer» D. African | |
| 7. |
When were the foundations of experimental fluid dynamics laid? |
| A. | 19<sup>th</sup> century |
| B. | 18<sup>th</sup> century |
| C. | 16<sup>th</sup> century |
| D. | 17<sup>th</sup> century |
| Answer» E. | |
| 8. |
CFD is the third approach for fluid flow analysis. What are the other two approaches? |
| A. | Theoretical and experimental |
| B. | Physical and Mathematical |
| C. | Numerical and experimental |
| D. | Experimental and physical |
| Answer» B. Physical and Mathematical | |
| 9. |
Which one do you think is not possible with wind tunnels for testing trans-atmospheric vehicles? |
| A. | Continuously changing Mach number |
| B. | Transonic flows |
| C. | Simultaneously modelling high Mach numbers and high temperatures |
| D. | Hypersonic flows |
| Answer» D. Hypersonic flows | |
| 10. |
Which among the following is a reason why we do not completely rely upon ground tests for analysing fluid dynamics? |
| A. | Three-dimensional flows cannot be analysed |
| B. | Facilities do not exist in all fight regimes |
| C. | The output generated is not as accurate as theoretical analysis |
| D. | Long run-time |
| Answer» C. The output generated is not as accurate as theoretical analysis | |