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Steam Nozzles and Turbines - Data Intensity 1 Multiple Questions and Answers.
| 31. | Steam turbines are used for | ||
| A. | large marine propulsion | ||
| B. | electric power generation | ||
| C. | direct drive of fans, compressors, pumps | ||
| D. | all of these | ||
| 32. | The value of the reheat factor varies from | ||
| A. | 1.02 to 1.06 | ||
| B. | 1.08 to 1.l0 | ||
| C. | 1.2 to 1.6 | ||
| D. | 1.6 to 2 | ||
| 33. | The steam enters the nozzle at a | ||
| A. | high pressure and a low velocity | ||
| B. | high pressure and a high velocity | ||
| C. | low pressure and a low velocity | ||
| D. | low pressure and a high velocity | ||
| 34. | The difference of supersaturated temperature and saturation temperature at that pressure is called | ||
| A. | degree of supersaturation | ||
| B. | degree of superheat | ||
| C. | degree of undercooling | ||
| D. | none of these | ||
| 35. | The ratio of the useful heat drop to the isentropic heat drop is called | ||
| A. | condenser efficiency | ||
| B. | nozzle efficiency | ||
| C. | boiler efficiency | ||
| D. | vacuum efficiency | ||
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