MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 13 Mcqs, each offering curated multiple-choice questions to sharpen your Separation Processes knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
The freundlich equation is of the form: |
| A. | qi = Aci (1/n) |
| B. | cBQ=q*BS |
| C. | qi = Aci(n) |
| D. | qi = Aci |
| Answer» B. cBQ=q*BS | |
| 2. |
Which laboratory methods give a rough prediction about adsorption-equilibrium curves? |
| A. | Isobaric calculation |
| B. | Flow charts |
| C. | Adsorption isotherms |
| D. | Absorption isotherms |
| Answer» D. Absorption isotherms | |
| 3. |
What does the solid-liquid separation operation don’t involve? |
| A. | Gravity sedimentation |
| B. | Magnetic separation |
| C. | Filtration |
| D. | Centrifugation |
| Answer» C. Filtration | |
| 4. |
WHICH_LABORATORY_METHODS_GIVE_A_ROUGH_PREDICTION_ABOUT_ADSORPTION-EQUILIBRIUM_CURVES??$ |
| A. | Isobaric calculation |
| B. | Flow charts |
| C. | Adsorption isotherms |
| D. | Absorption isotherms |
| Answer» D. Absorption isotherms | |
| 5. |
The_freundlich_equation_is_of_the_form:$ |
| A. | q<sub>i</sub> = Ac<sub>i</sub> <sup>(1/n)</sup> |
| B. | c<sub>B</sub>Q=q*<sub>B</sub>S |
| C. | q<sub>i</sub> = Ac<sub>i</sub><sup>(n)</sup> |
| D. | q<sub>i</sub> = Ac<sub>i</sub> |
| Answer» B. c<sub>B</sub>Q=q*<sub>B</sub>S | |
| 6. |
What happens during adsorption process of solid-liquid separation? |
| A. | The adsorbent adsorbs liquid in the interior and solid in the exterior |
| B. | The adsorbent adsorbs liquid In the interior and the exterior |
| C. | The adsorbent adsorbs solid in the interior and liquid in the exterior |
| D. | The adsorbent adsorbs solid in the interior and the exterior |
| Answer» C. The adsorbent adsorbs solid in the interior and liquid in the exterior | |
| 7. |
What is correct about the hydrate? |
| A. | A high hydrate exists at low temperatures and low hydrste is unlikely to exist |
| B. | A low hydrate exists at high temperature and a low hydrate exists at high temperature |
| C. | A high hydrate exists at high temperature and a low hydrate exists at high temperature. |
| D. | A hydrate does not exist at high temperature |
| Answer» C. A high hydrate exists at high temperature and a low hydrate exists at high temperature. | |
| 8. |
What is needed because of crystals occluding liquid? |
| A. | Centrifugation |
| B. | Distillation |
| C. | Drying step |
| D. | Decantation |
| Answer» D. Decantation | |
| 9. |
What is a eutectic point? |
| A. | A temperature at which the mixture boils |
| B. | The temperature at which the mixture gets out of equilibrium |
| C. | The temperature at which the components have same molar flow rates |
| D. | The temperature at which the mixture freezes |
| Answer» E. | |
| 10. |
What increases the solute concentration? |
| A. | Increasing viscosity of the liquid phases |
| B. | Decreasing viscosity of liquid phases |
| C. | Increasing temperature of liquid phases |
| D. | Decreasing temperature of liquid phases |
| Answer» B. Decreasing viscosity of liquid phases | |
| 11. |
What happens in an ideal leaching stage of a mixture of A and B? |
| A. | The solvent dissolves Some B and some A |
| B. | The solvent dissolves none of A and all B |
| C. | The solvent dissolves all of A and B, which makes separation easier |
| D. | The solvent does not dissolves any of A and B |
| Answer» C. The solvent dissolves all of A and B, which makes separation easier | |
| 12. |
What process happens in leaching? |
| A. | A solvent separates a mixture |
| B. | Two solvents separate a mixture |
| C. | A solvent selectively dissolves one of the component |
| D. | The mixture is heated so that one solid sublimes and is separated. |
| Answer» D. The mixture is heated so that one solid sublimes and is separated. | |
| 13. |
What does the solid-liquid separation operation don’t involve? |
| A. | Gravity sedimentation |
| B. | Magnetic separation |
| C. | Filtration |
| D. | Centrifugation |
| Answer» C. Filtration | |