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Steam Nozzles and Turbines - Data Intensity 1 Multiple Questions and Answers.
| 21. | The critical pressure gives the velocity of steam at the throat | ||
| A. | equal to the velocity of sound | ||
| B. | less than the velocity of sound | ||
| C. | more than the velocity of sound | ||
| D. | none of these | ||
| 22. | The action of steam in a steam turbine is | ||
| A. | static | ||
| B. | dynamic | ||
| C. | static and dynamic | ||
| D. | neither static nor dynamic | ||
| 23. | Multi-stage steam turbines are of the | ||
| A. | velocity compounded type | ||
| B. | reaction type | ||
| C. | pressure compounded type | ||
| D. | all of these | ||
| 24. | In reaction turbines, the axial thrust is due to | ||
| A. | pressure drop across the rotor | ||
| B. | change in axial velocity | ||
| C. | both (a) and (b) | ||
| D. | none of these | ||
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