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Compressors, Gas Dynamics and Gas Turbines - Data Intensity 3 Multiple Questions and Answers.
| 6. | Knudsen number is less than _______ | ||
| A. | 1 | ||
| B. | 0.5 | ||
| C. | 0.3 | ||
| D. | none of above | ||
| 7. | Continuum equations are valid only when Knudsen number is ________ than 0.3. | ||
| A. | greater | ||
| B. | less | ||
| C. | equal | ||
| D. | none of the mentioned | ||
| 8. | When altitude of earth is in between 90 km and 150 km Knudsen number can be in between 0.3 and__? | ||
| A. | 1 | ||
| B. | 2 | ||
| C. | 3 | ||
| D. | 4 | ||
| 9. | Knudsen number ranges in between 0.3 and 1 in ________ | ||
| A. | boundary & transient region | ||
| B. | boundary region | ||
| C. | transient region | ||
| D. | none of the mentioned | ||
| 10. | Airfoil when passed through fluids produces ______________ | ||
| A. | thrust | ||
| B. | drag | ||
| C. | thrust & drag | ||
| D. | none of the mentioned | ||
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