MCQOPTIONS
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MCQOPTIONS
This section includes 12 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 liquor is fed at a depth of ____ |
| A. | 0.1 to 5 m |
| B. | 5 to 10 m |
| C. | 10 to 20 m |
| D. | 0.3 to 1 m |
| Answer» E. | |
| 2. |
After sedimentation, the thickened liquor is withdrawn from ___ |
| A. | Bottom |
| B. | Top |
| C. | Sideways |
| D. | Blow off |
| Answer» B. Top | |
| 3. |
The concentration of a suspension is increased by sedimentation in ______ |
| A. | Boiler |
| B. | Thickener |
| C. | Condenser |
| D. | Camper |
| Answer» C. Condenser | |
| 4. |
The below equation represents the ___ |
| A. | Height of thickening |
| B. | Height of limit |
| C. | Dewaxing height |
| D. | Crane heightView Answer |
| Answer» B. Height of limit | |
| 5. |
What does the following equation represents?q=(ur+uc )AC |
| A. | Velocity |
| B. | Charge of feed |
| C. | Volumetric rate |
| D. | Magnetic field |
| Answer» D. Magnetic field | |
| 6. |
HEIGHT_OF_THICKENING?$ |
| A. | Height of limit |
| B. | Dewaxing height |
| C. | Crane height |
| Answer» B. Dewaxing height | |
| 7. |
The concentration of a suspension is increased by sedimentation in ______$ |
| A. | Boiler |
| B. | Thickener |
| C. | Condenser |
| D. | Camper |
| Answer» E. | |
| 8. |
____ will be a function of the depth of tank. |
| A. | Viscosity of solid |
| B. | Volume of solid |
| C. | Concentration of solids |
| D. | Feed of solid |
| Answer» D. Feed of solid | |
| 9. |
In the plot of height and concentration, the settling zone can be seen between ____ |
| A. | Compression and clarification zone |
| B. | Compression and Flowing zone |
| C. | Maximum height and lowest concentration |
| D. | Flowing and maximum height |
| Answer» B. Compression and Flowing zone | |
| 10. |
When the frictional drag on the particles becomes equal to their apparent weight, then ____ |
| A. | High resistance is seen |
| B. | Less resistance is seen |
| C. | No resistance is seen |
| D. | No changes occurs |
| Answer» C. No resistance is seen | |
| 11. |
The pressure drop across the bed is directly proportional to ____ |
| A. | Rate of mixing |
| B. | Rate of sedimentation |
| C. | Rate of flow |
| D. | Rate of Velocity |
| Answer» D. Rate of Velocity | |
| 12. |
When a fluid is passed downwards through a bed of solids, then __ |
| A. | No movement takes place |
| B. | Laminar flow occurs |
| C. | Turbulent flow occurs |
| D. | Mixing occurs |
| Answer» B. Laminar flow occurs | |