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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 | |