MCQOPTIONS
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MCQOPTIONS
This section includes 9 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. |
The following equation depends upon ______ |
| A. | Void fraction |
| B. | Velocity gradient |
| C. | Entropy |
| D. | EnthalpyView Answer |
| Answer» B. Velocity gradient | |
| 2. |
For low Reynold’s number, the terminal velocity ____ |
| A. | Falls |
| B. | Increases |
| C. | Is zero |
| D. | Is unity |
| Answer» B. Increases | |
| 3. |
Minimum fluidization velocity is calculated by _____ |
| A. | Reynold’s equation |
| B. | Dom’s equation |
| C. | Crump equation |
| D. | Ergun’s equation |
| Answer» E. | |
| 4. |
Minimum fluidization velocity is calculated by ____? |
| A. | Reynold’s equation |
| B. | Dom’s equation |
| C. | Crump equation |
| D. | Ergun’s equation |
| Answer» D. Ergun‚Äö√Ñ√∂‚àö√ë‚àö¬•s equation | |
| 5. |
At the fluidizing point, pressure gradient _____ |
| A. | Falls |
| B. | Increases |
| C. | Is zero |
| D. | Is unity |
| Answer» E. | |
| 6. |
As the velocity increases, pressure drop ____ |
| A. | Increases |
| B. | Decreases |
| C. | Is constant |
| D. | Diverted |
| Answer» B. Decreases | |
| 7. |
If the particle are small, the flow is ______ |
| A. | Transient |
| B. | Laminar |
| C. | Turbulent |
| D. | Eddy |
| Answer» B. Laminar | |
| 8. |
Fluidization occurs when, Fr is _____ |
| A. | 1.5 |
| B. | Zero |
| C. | Infinite |
| D. | Unity |
| Answer» C. Infinite | |
| 9. |
_____are commonly used to control product on a horizontal or inclined conveyor. |
| A. | Magnet |
| B. | Cleated |
| C. | Clamped |
| D. | Stock |
| Answer» C. Clamped | |