 
			 
			MCQOPTIONS
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				This section includes 19 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. | Find the process. | 
| A. | Batch process | 
| B. | Continuous process | 
| C. | Batch+ continuous process | 
| D. | None of the mentioned | 
| Answer» D. None of the mentioned | |
| 2. | Packed tower with ________ packing preferable for liquid extraction. | 
| A. | Uniform | 
| B. | Random | 
| C. | Complete | 
| D. | None of the mentioned | 
| Answer» C. Complete | |
| 3. | _____________ mixing is applicable for differential contractors. | 
| A. | Axial | 
| B. | Radial | 
| C. | Both axial and radial | 
| D. | None of the mentioned | 
| Answer» B. Radial | |
| 4. | If a system has low interfacial tension _________ extractor is preferred. | 
| A. | Packed column | 
| B. | Pulse column | 
| C. | Sieve plates | 
| D. | Agitator column | 
| Answer» D. Agitator column | |
| 5. | The extractor preferred for getting immediate dispersion after piping is ___________________ | 
| A. | Don extractor | 
| B. | Box extractor | 
| C. | Boltzmann extractor | 
| D. | Immediate dispersion is not possible | 
| Answer» C. Boltzmann extractor | |
| 6. | IF_A_SYSTEM_HAS_LOW_INTERFACIAL_TENSION___________EXTRACTOR_IS_PREFERRED.?$ | 
| A. | Packed column | 
| B. | Pulse column | 
| C. | Sieve plates | 
| D. | Agitator column | 
| Answer» D. Agitator column | |
| 7. | Packed tower with ________ packing preferable for liquid extraction.$ | 
| A. | Uniform | 
| B. | Random | 
| C. | Complete | 
| D. | None of the mentioned | 
| Answer» C. Complete | |
| 8. | ______________mixing_is_applicable_for_differential_contractors.$ | 
| A. | Axial | 
| B. | Radial | 
| C. | Both axial and radial | 
| D. | None of the mentioned | 
| Answer» B. Radial | |
| 9. | Differential contractors are continuous extractor. | 
| A. | True | 
| B. | False | 
| Answer» B. False | |
| 10. | The high density difference among the liquid in the extractor cause ________ | 
| A. | Flooding | 
| B. | Loading | 
| C. | Agitation | 
| D. | None of the mentioned | 
| Answer» B. Loading | |
| 11. | Motivational force in a differential contractor is | 
| A. | Centrifugal force | 
| B. | Gravitational force | 
| C. | Electromagnetic forces | 
| D. | All of the mentioned | 
| Answer» C. Electromagnetic forces | |
| 12. | The extractor preferred for getting immediate dispersion after piping is __________________? | 
| A. | Don extractor | 
| B. | Box extractor | 
| C. | Boltzmann extractor | 
| D. | Immediate dispersion is not possible | 
| Answer» C. Boltzmann extractor | |
| 13. | More than three stages of mixer settler attached to get _____________ | 
| A. | Multi-component cascade | 
| B. | Mixer settler cascade | 
| C. | Extraction multi-stages | 
| D. | None of the mentioned | 
| Answer» C. Extraction multi-stages | |
| 14. | If the holding time is more in a mixer then _______ will be poor. | 
| A. | Mass transfer | 
| B. | Heat transfer | 
| C. | Momentum transfer | 
| D. | Both mass and momentum transfer | 
| Answer» B. Heat transfer | |
| 15. | The two liquids while mixing gets dispersed inside the mixer. | 
| A. | True | 
| B. | False | 
| Answer» B. False | |
| 16. | Line mixers are ________ | 
| A. | Small | 
| B. | Large | 
| C. | Very high | 
| D. | None of the mentioned | 
| Answer» B. Large | |
| 17. | The substance to get mixed enters into the mixer through. | 
| A. | Orifice | 
| B. | Nozzle | 
| C. | Orifice or nozzle | 
| D. | None of the mentioned | 
| Answer» D. None of the mentioned | |
| 18. | Settler in the mixer settler is applicable for rapid agitation. | 
| A. | True | 
| B. | False | 
| Answer» B. False | |
| 19. | __________ is the single stage device in extractor types. | 
| A. | Mixer settler | 
| B. | Sieve trays | 
| C. | Agitator vessel | 
| D. | Packed column | 
| Answer» B. Sieve trays | |