MCQOPTIONS
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MCQOPTIONS
This section includes 15 Mcqs, each offering curated multiple-choice questions to sharpen your Mass Transfer knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
De-humidification is done in |
| A. | Adiabatic temperature |
| B. | Adiabatic saturated temperature |
| C. | Adiabatic unsaturated temperature |
| D. | None of the mentioned |
| Answer» C. Adiabatic unsaturated temperature | |
| 2. |
The humidity is represented in |
| A. | Humidity chart |
| B. | Psychometric chart |
| C. | Psychometric chart or humidity chart |
| D. | All of the mentioned |
| Answer» E. | |
| 3. |
For an air(A)-water vapour(B) mixture, the partial pressure of the air is 5 pa and the total pressure of the system is 15 pa. The molal absolute humidity is |
| A. | 0.5 |
| B. | 1 |
| C. | 1.5 |
| D. | 2 |
| Answer» B. 1 | |
| 4. |
For an air(A)-water vapour(B) mixture, the partial pressure of the air is 5 pa and the total pressure of the system is 15 pa. The absolute humidity in mass of air/mass of water vapour is |
| A. | 0.805 |
| B. | 0.311 |
| C. | 0.705 |
| D. | 0.411 |
| Answer» B. 0.311 | |
| 5. |
At the gas temperature, the liquid is in equilibrium with vapour for ____________ |
| A. | Saturated gas |
| B. | Unsaturated gas |
| C. | Partially saturated gas |
| D. | None of the mentioned |
| Answer» B. Unsaturated gas | |
| 6. |
THE_HUMIDITY_IS_REPRESENTED_IN?$ |
| A. | Humidity chart |
| B. | Psychometric chart |
| C. | Psychometric chart or humidity chart |
| D. | All of the mentioned |
| Answer» E. | |
| 7. |
De-humidification_is_done_in$ |
| A. | Adiabatic temperature |
| B. | Adiabatic saturated temperature |
| C. | Adiabatic unsaturated temperature |
| D. | None of the mentioned |
| Answer» C. Adiabatic unsaturated temperature | |
| 8. |
For an air(A)-water vapour(B) mixture, the partial pressure of the air is 5 pa and the total pressure of the system is 15 pa. The molal absolute humidity i? |
| A. | 0.5 |
| B. | 1 |
| C. | 1.5 |
| D. | 2 |
| Answer» B. 1 | |
| 9. |
By differencing the temperature, heat added or removed is |
| A. | Sensible heat |
| B. | Latent heat |
| C. | Heat of vaporization |
| D. | None of the mentioned |
| Answer» B. Latent heat | |
| 10. |
Mass absolute humidity is |
| A. | Absolute humidity |
| B. | Grosvenor humidity |
| C. | Relative humidity |
| D. | All of the mentioned |
| Answer» C. Relative humidity | |
| 11. |
For an air(A)-water vapour(B) mixture, the partial pressure of the air is 5 pa and the total pressure of the system is 15 pa. The absolute humidity in mass of air/mass of water vapour is |
| A. | 0.805 |
| B. | 0.311 |
| C. | 0.705 |
| D. | 0.411 |
| Answer» B. 0.311 | |
| 12. |
In an operation, the enthalpy is similar throughout the initial and final condition such operation is |
| A. | Adiabatic |
| B. | Non-adiabatic |
| C. | Isothermal |
| D. | Non-isothermal |
| Answer» B. Non-adiabatic | |
| 13. |
At the gas temperature, the liquid is in equilibrium with vapour for |
| A. | Saturated gas |
| B. | Unsaturated gas |
| C. | Partially saturated gas |
| D. | None of the mentioned |
| Answer» C. Partially saturated gas | |
| 14. |
In humidification the gas is ____________ in the liquid for the mass transfer to take part. |
| A. | Soluble |
| B. | Insoluble |
| C. | Partially soluble |
| D. | Inert |
| Answer» C. Partially soluble | |
| 15. |
Humidification is a |
| A. | Mass transfer operation |
| B. | Heat transfer operation |
| C. | Simultaneous heat and mass transfer |
| D. | Neither mass and heat transfer operation |
| Answer» D. Neither mass and heat transfer operation | |