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Thermodynamics - Data Intensity 1 Multiple Questions and Answers.
| 6. | The processes occurring in open system which permit the transfer of mass to and from the system, are known as | ||
| A. | flow processes | ||
| B. | non-flow processes | ||
| C. | adiabatic processes | ||
| D. | none of these | ||
| 7. | Which of the following has the minimum atomic mass? | ||
| A. | Oxygen | ||
| B. | Sulphur | ||
| C. | Nitrogen | ||
| D. | Carbon | ||
| 8. | Workdone in a free expansion process is | ||
| A. | zero | ||
| B. | minimum | ||
| C. | maximum | ||
| D. | positive | ||
| 9. | The pressure exerted by an ideal gas is ____ of the kinetic energy of all the molecules contained in a unit volume of gas. | ||
| A. | one-half | ||
| B. | one-third | ||
| C. | two-third | ||
| D. | three-fourth | ||
| 10. | The compression ratio for petrol engines is | ||
| A. | 3 to 6 | ||
| B. | 5 to 8 | ||
| C. | 15 to 20 | ||
| D. | 20 to 30 | ||
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