MCQOPTIONS
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MCQOPTIONS
This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Food Processing Unit Operations knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
What process takes place when water is used as absorbent? |
| A. | Stripping |
| B. | Dilution |
| C. | Distillation |
| D. | Dissolving |
| Answer» D. Dissolving | |
| 2. |
What is channeling in gas absorption? |
| A. | Down in the bed, the liquid tends to flow toward the wall |
| B. | At the top of the bed, the liquid tends to flow toward the wall |
| C. | Down in the bed, the liquid tends to flow away from the wall |
| D. | At the top of the bed, the liquid tends to flow away from the wall |
| Answer» B. At the top of the bed, the liquid tends to flow toward the wall | |
| 3. |
What is NTU? |
| A. | Number of transfer units |
| B. | Number of transport units |
| C. | Neutral transfer units |
| D. | Neutral tons units |
| Answer» B. Number of transport units | |
| 4. |
What is use of gas absorption column? |
| A. | To study hydrodynamic process |
| B. | To study absorption processes in packed columns |
| C. | To study hydrodynamic and absorption processes in packed columns |
| D. | To hold the gas |
| Answer» D. To hold the gas | |
| 5. |
What is stripping in absorption? |
| A. | Operation of removing the absorbed solute from the solvent |
| B. | Operation of removing the solvent from the absorbed solute |
| C. | Operation of removing the unwanted solution |
| D. | Operation of removing the catalyst |
| Answer» B. Operation of removing the solvent from the absorbed solute | |
| 6. |
Is a scrubber and absorber same? |
| A. | True |
| B. | False |
| Answer» C. | |
| 7. |
At what conditions will the solute is absorbed more per stage or packing segment? |
| A. | When L/G ratio is increased |
| B. | When L/G ratio is decreased |
| C. | When L/G ratio is negligible |
| D. | When L/G ratio is reduced to very low level |
| Answer» B. When L/G ratio is decreased | |
| 8. |
What are the heat effects that cause temperatures to vary from point to point in a gas absorber? |
| A. | The heat of solution |
| B. | The heat of vaporization or condensation of the solvent |
| C. | The heat of solution and the heat of vaporization or condensation of the solvent |
| D. | No effect |
| Answer» D. No effect | |
| 9. |
Are these statements about the absorption true?Statement 1: Operating pressure should be low for an absorber. |
| A. | nStatement 2: Operating temperature should be high for an absorber. |
| B. | True, False |
| C. | True, True |
| D. | False, True |
| E. | False, False |
| Answer» E. False, False | |
| 10. |
What is the soluble component called in absorption equipment? |
| A. | Solute |
| B. | Solvent |
| C. | Liquid phase |
| D. | Solution |
| Answer» B. Solvent | |