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Thermodynamics - Data Intensity 3 Multiple Questions and Answers.
| 21. | In open cycle gas turbine plants | ||
| A. | the indirect heat exchanger and cooler is avoided | ||
| B. | direct combustion system is used | ||
| C. | a condenser is used | ||
| D. | all of the above | ||
| 22. | The compression ratio is the ratio of | ||
| A. | swept volume to total volume | ||
| B. | total volume to swept volume | ||
| C. | swept volume to clearance volume | ||
| D. | total volume to clearance volume | ||
| 23. | The efficiency of Ericsson cycle is ____ Carnot cycle. | ||
| A. | greater than | ||
| B. | less than | ||
| C. | equal to | ||
| D. | none of above | ||
| 24. | One molecule of oxygen consists of _____ atoms of oxygen. | ||
| A. | 2 | ||
| B. | 4 | ||
| C. | 8 | ||
| D. | 16 | ||
| 25. | According to kinetic theory of gases, the velocity of molecules ____ with the increase in temperature. | ||
| A. | remains constant | ||
| B. | increases | ||
| C. | decreases | ||
| D. | none of above | ||
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