MCQOPTIONS
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MCQOPTIONS
This section includes 5 Mcqs, each offering curated multiple-choice questions to sharpen your Aerodynamics knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Which of these approaches is not used to find the solution of the fully viscous flowfield in hypersonic flow? |
| A. | Viscous shock-layer solutions |
| B. | Parabolized Navier-Stokes solution |
| C. | Full Navier-Stokes equation |
| D. | Boundary-layer solution |
| Answer» E. | |
| 2. |
Which of these is not the reason to resort to CFD for solving hypersonic problems? |
| A. | Inexpensive |
| B. | Fast |
| C. | Accurate |
| D. | Complex use |
| Answer» E. | |
| 3. |
Which of these characteristics vary as a result of chemically reacting gas compared to the perfect gas? |
| A. | Pitching moment coefficient |
| B. | Temperature |
| C. | Drag |
| D. | Lift |
| Answer» B. Temperature | |
| 4. |
Experimental work on hypersonic bodies involves testing Mach number, Reynolds number and temperature simultaneously. |
| A. | True |
| B. | False |
| Answer» C. | |
| 5. |
Why is analyzing hypersonic bodies dependent on the use of computational fluid dynamics (CFD)? |
| A. | Lack of experimental facility |
| B. | Complex to analyse hypersonic body |
| C. | Time consuming |
| D. | Hypersonic flight regimes are hypothetical |
| Answer» B. Complex to analyse hypersonic body | |