MCQOPTIONS
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MCQOPTIONS
This section includes 11 Mcqs, each offering curated multiple-choice questions to sharpen your Chemical Process Calculation knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
What is the fraction of water vapor at 300 K and 1 atm, if the fraction of water vapor at the same pressure is 0.8 and temperature is 400 K? |
| A. | 0.2 |
| B. | 0.4 |
| C. | 0.6 |
| D. | 0.8 |
| Answer» D. 0.8 | |
| 2. |
WHAT_IS_THE_FRACTION_OF_WATER_VAPOR_AT_300_K_AND_1_ATM,_IF_THE_FRACTION_OF_WATER_VAPOR_AT_THE_SAME_PRESSURE_IS_0.8_AND_TEMPERATURE_IS_400_K??$ |
| A. | 0.2 |
| B. | 0.4 |
| C. | 0.6 |
| D. | 0.8 |
| Answer» D. 0.8 | |
| 3. |
The fraction of water vapor at 300 K and 8 atm is 0.8. Calculate the fraction of water vapor at the same temperature and 1 atm pressure? |
| A. | 0.1 |
| B. | 0.2 |
| C. | 0.3 |
| D. | 0.4 |
| Answer» B. 0.2 | |
| 4. |
Most heat energy is required in the following process? |
| A. | Sublimation |
| B. | Evaporation |
| C. | Condensation |
| D. | None of the mentioned |
| Answer» B. Evaporation | |
| 5. |
When the air temperature rises the saturation mixing ratio |
| A. | Increases |
| B. | Decreases |
| C. | Remains same |
| D. | None of the mentioned |
| Answer» B. Decreases | |
| 6. |
When the air temperature rises, the saturation vapor pressure |
| A. | Increases |
| B. | Decreases |
| C. | Remains same |
| D. | None of the mentioned |
| Answer» B. Decreases | |
| 7. |
Amount of water vapor in the air increases as the dew point temperature ______________ |
| A. | Increases |
| B. | Decreases |
| C. | Remains same |
| D. | None of the mentioned |
| Answer» B. Decreases | |
| 8. |
Vaporization temperature of water at standard conditions is _______________ Degree Celsius. |
| A. | 100 |
| B. | 200 |
| C. | 300 |
| D. | 400 |
| Answer» B. 200 | |
| 9. |
Heating a liquid at constant pressure can definitely cause____________ |
| A. | Vaporization |
| B. | Condensation |
| C. | Boiling |
| D. | None of the mentioned |
| Answer» B. Condensation | |
| 10. |
Vaporization starts at __________ point. |
| A. | Dew point |
| B. | Bubble point |
| C. | Triple point |
| D. | None of the mentioned |
| Answer» C. Triple point | |
| 11. |
In a vaporization process __________ changes to _________ |
| A. | Vapor, liquid |
| B. | Vapor, solid |
| C. | Solid, Vapor |
| D. | Liquid, Vapor |
| Answer» E. | |