MCQOPTIONS
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MCQOPTIONS
This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Mechanical Operations knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Radial impellors are ____ |
| A. | Parallel |
| B. | Vertical |
| C. | Horizontal |
| D. | Lateral |
| Answer» B. Vertical | |
| 2. |
Axial flow impellors have _____ |
| A. | > 900 |
| B. | < 900 |
| C. | > 1800 |
| D. | < 1800 |
| Answer» C. > 1800 | |
| 3. |
Impellors are divided into ______ |
| A. | Initial and Final |
| B. | Tangential and Torsional |
| C. | Centrifuge and Torque |
| D. | Axial and Radial |
| Answer» E. | |
| 4. |
Mixing can be best accomplished by the ____ |
| A. | Rotation |
| B. | Agitation |
| C. | Settling |
| D. | Shaking |
| Answer» B. Agitation | |
| 5. |
Mixing involves ____ |
| A. | Solid Liquid |
| B. | Solid gas |
| C. | Gas Liquid |
| D. | Solid Liquid gas |
| Answer» E. | |
| 6. |
The degree of separation depends upon the ___ |
| A. | Thickness of liquid layer |
| B. | Thickness of solid layer |
| C. | Thickness of cake layer |
| D. | Thickness of strip layer |
| Answer» B. Thickness of solid layer | |
| 7. |
What are the speeds of basket centrifuge? |
| A. | 15,000 rpm |
| B. | 10,000 rpm |
| C. | 50,000 rpm |
| D. | 1000 rpm |
| Answer» B. 10,000 rpm | |
| 8. |
In a super centrifuge, if the radius of the basket is reduced 50% then ____ |
| A. | RPM is halved |
| B. | RPM is doubled |
| C. | RPM is tripled |
| D. | No change in RPM |
| Answer» C. RPM is tripled | |
| 9. |
Calculate Se, if the wetting fluid void is 2.5 m3 and the void containing both fluids is 8.5 m3? |
| A. | 4.56 |
| B. | 1.02 |
| C. | 0.75 |
| D. | 0.294 |
| Answer» E. | |
| 10. |
______ is defined as the ratio of void containing wetting fluid and voids of both fluid. |
| A. | Residual saturation |
| B. | Effective saturation |
| C. | Special saturation |
| D. | Saturation |
| Answer» C. Special saturation | |