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Steam Nozzles and Turbines - Data Intensity 4 Multiple Questions and Answers.
| 16. | Stage efficiency is also known as | ||
| A. | diagram efficiency | ||
| B. | nozzle efficiency | ||
| C. | gross efficiency | ||
| D. | none of these | ||
| 17. | In turbines, the fluid undergoes a continuous steady flow process and the speed of flow is | ||
| A. | low | ||
| B. | very low | ||
| C. | high | ||
| D. | very high | ||
| 18. | In an impulse reaction turbine, the pressure drops gradually and continuously over | ||
| A. | fixed blades | ||
| B. | moving blades | ||
| C. | both fixed and moving blades | ||
| D. | none of these | ||
| 20. | The blade friction in the impulse turbine reduces the velocity of steam by ____ while it passes over the blades. | ||
| A. | 10 to 15% | ||
| B. | 15 to 20% | ||
| C. | 20 to 30% | ||
| D. | 30 to 40% | ||
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