MCQOPTIONS
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MCQOPTIONS
This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Aerodynamics knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
In how many categories is the supersonic wind tunnel classified into? |
| A. | 2 |
| B. | 3 |
| C. | 4 |
| D. | 6 |
| Answer» B. 3 | |
| 2. |
What is the ratio of throat area of diffuser to nozzle in supersonic wind tunnel with flow at Mach 2.7? |
| A. | 0.4236 |
| B. | 0.8338 |
| C. | 2.36 |
| D. | 1.199 |
| Answer» D. 1.199 | |
| 3. |
In which scenario is the throat area of both the nozzle and diffuser the same? |
| A. | Ideal isentropic diffuser |
| B. | Ideal adiabatic diffuser |
| C. | Ideal isobaric diffuser |
| D. | Ideal Isochoric diffuser |
| Answer» B. Ideal adiabatic diffuser | |
| 4. |
What is the relation between the nozzle A1t and diffuser throat area A2t in the supersonic wind tunnel? |
| A. | A<sub>t2</sub> = A<sub>t1</sub> |
| B. | A<sub>t2</sub> > A<sub>t1</sub> |
| C. | A<sub>t2</sub> < A<sub>t1</sub> |
| D. | A<sub>t2</sub> A<sub>t1</sub> = 1 |
| Answer» C. A<sub>t2</sub> < A<sub>t1</sub> | |
| 5. |
The nozzle throat area is same as the diffuser throat area. |
| A. | True |
| B. | False |
| Answer» C. | |
| 6. |
In reality what happens due to the interaction of the oblique shock waves with the boundary layer on the walls of the diffuser? |
| A. | Higher total pressure loss |
| B. | Reduction of speed |
| C. | Total pressure increase |
| D. | Reduced skin friction drag |
| Answer» B. Reduction of speed | |
| 7. |
Normal shock diffuser is less efficient than the oblique shock diffuser. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 8. |
How many throat/throats are there in a supersonic wind tunnel? |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 4 |
| Answer» C. 3 | |
| 9. |
Which of these is not a part of supersonic wind tunnel? |
| A. | Nozzle |
| B. | Test section |
| C. | Diffuser |
| D. | Test model |
| Answer» E. | |
| 10. |
Which nozzle is used in supersonic wind tunnel? |
| A. | Convergent |
| B. | Divergent |
| C. | Convergent Divergent |
| D. | Conical |
| Answer» D. Conical | |