MCQOPTIONS
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MCQOPTIONS
This section includes 18 Mcqs, each offering curated multiple-choice questions to sharpen your Chemical Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
What is the humidity, if the mass of dry gas is 10 Kg and mass of water vapor is 5 Kg? |
| A. | 25% |
| B. | 50% |
| C. | 100% |
| D. | 200%View answer |
| Answer» C. 100% | |
| 2. |
Which of the following is equal to the product of humidity and mass of dry gas? |
| A. | Moles of water vapor |
| B. | Mass of water vapor |
| C. | Mass of gas vapor |
| D. | None of the mentionedView answer |
| Answer» C. Mass of gas vapor | |
| 3. |
What is the molal humidity of a gas with partial pressure with vapor 1 mm Hg and partial pressure without vapor 1 atm? |
| A. | 90% |
| B. | 131% |
| C. | 214% |
| D. | 288%View answer |
| Answer» C. 214% | |
| 4. |
WHAT_IS_THE_MOLAL_HUMIDITY_OF_A_GAS_WITH_PARTIAL_PRESSURE_WITH_VAPOR_1_MM_HG_AND_PARTIAL_PRESSURE_WITHOUT_VAPOR_1_ATM??$ |
| A. | 90% |
| B. | 131% |
| C. | 214% |
| D. | 288% |
| Answer» C. 214% | |
| 5. |
What is the humidity, if the mass of dry gas is 10 Kg and mass of water vapor is 5 Kg |
| A. | 25% |
| B. | 50% |
| C. | 100% |
| D. | 200% |
| Answer» C. 100% | |
| 6. |
Which of the following is equal to the product of humidity and mass of dry gas?$ |
| A. | Moles of water vapor |
| B. | Mass of water vapor |
| C. | Mass of gas vapor |
| D. | None of the mentioned |
| Answer» C. Mass of gas vapor | |
| 7. |
What are moles of dry gas if the moles of water vapor is 14 at 25% humidity? |
| A. | 3.5 |
| B. | 7 |
| C. | 14 |
| D. | 56 |
| Answer» E. | |
| 8. |
What is the humidity if the moles of dry gas is 25 and mole of water vapor are 15? |
| A. | 60% |
| B. | 90% |
| C. | 150% |
| D. | 200% |
| Answer» B. 90% | |
| 9. |
What is the mass of water vapor, if the mass of dry gas is 10 lb and humidity 10%? |
| A. | 254 g |
| B. | 453 g |
| C. | 746 g |
| D. | 1 Kg |
| Answer» C. 746 g | |
| 10. |
What is the molal saturation of a gas with 10 Pa partial pressure without vapor and 0.5 atm partial pressure with vapor? |
| A. | 0.5 |
| B. | 1 |
| C. | 5 |
| D. | 101.3 |
| Answer» D. 101.3 | |
| 11. |
What is the molal saturation of a gas with 10 moles of gas vapor and 25 moles of dry gas? |
| A. | 0.2 |
| B. | 0.4 |
| C. | 0.8 |
| D. | 1 |
| Answer» C. 0.8 | |
| 12. |
What is the molal humidity of a gas with pressure of gas vapor 10 mm Hg and pressure of vapor free gas 20 mm Hg? |
| A. | 25% |
| B. | 50% |
| C. | 100% |
| D. | 200% |
| Answer» C. 100% | |
| 13. |
What is called the ratio of partial pressure of vapor and partial pressure of the dry gas? |
| A. | Humidity |
| B. | Relative humidity |
| C. | Molal humidity |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 14. |
What is the relative humidity of a gas with a partial pressure of water vapor 360 Pa and vapor pressure 1 atm? |
| A. | 100% |
| B. | 225.1% |
| C. | 355.4% |
| D. | 405.9% |
| Answer» D. 405.9% | |
| 15. |
What is the relative saturation of a gas with partial pressure 38 mm Hg and vapor pressure 1 torr? |
| A. | 0.05 |
| B. | 0.5 |
| C. | 2 |
| D. | 38 |
| Answer» E. | |
| 16. |
What is the relative humidity of a gas with a partial pressure of water vapor is 5 mm Hg and vapor pressure 8 mm Hg? |
| A. | 25% |
| B. | 32.5% |
| C. | 45% |
| D. | 62.5% |
| Answer» E. | |
| 17. |
What is the relative saturation of a gas with partial pressure 10 mm Hg and vapor pressure 5 mm Hg? |
| A. | 0.5 |
| B. | 1 |
| C. | 2 |
| D. | 4 |
| Answer» D. 4 | |
| 18. |
Which of the following is defined as the ratio of partial pressure and vapor pressure? |
| A. | Relative Humidity |
| B. | Molal Humidity |
| C. | Humidity |
| D. | None of the mentioned |
| Answer» B. Molal Humidity | |