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. |
Axial flow is preferred when solid particles are kept in suspension. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 2. |
Which of the following flow is ideal for de-agglomerating solids, dispersion and emulsion? |
| A. | Axial |
| B. | Radial |
| C. | Longitudinal |
| D. | Tangential |
| Answer» C. Longitudinal | |
| 3. |
Suspending settling solid particles and low viscosity bulk blending are examples of process that work well utilizing axial flow. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 4. |
In small agitating tanks, impellers can be mounted off center in order to prevent swirling. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 5. |
If solid particles are present in agitating tank then instead of mixing reverse concentration may occur. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 6. |
When the shaft is vertical and centrally located in the tank, the ____ component is generally disadvantageous. |
| A. | Radial |
| B. | Axial |
| C. | Tangential |
| D. | Rotational |
| Answer» D. Rotational | |
| 7. |
The axial velocity component acts in the direction ____ |
| A. | Parallel with the shaft |
| B. | Perpendicular to the shaft |
| C. | Tangent o the circular path around the shaft |
| D. | At an inclined angle with the shaft |
| Answer» B. Perpendicular to the shaft | |
| 8. |
The tangential velocity component acts in the direction ____ |
| A. | Parallel with the shaft |
| B. | Perpendicular to the shaft |
| C. | Around the shaft |
| D. | At an inclined angle with the shaft |
| Answer» D. At an inclined angle with the shaft | |
| 9. |
The radial velocity component acts in the direction ____ |
| A. | Parallel with the shaft |
| B. | Perpendicular to the shaft |
| C. | Tangent o the circular path around the shaft |
| D. | At an inclined angle with the shaft |
| Answer» C. Tangent o the circular path around the shaft | |
| 10. |
Which of the following velocity components are observed in an agitator? |
| A. | Radial, Axial, Longitudinal |
| B. | Radial, Inclined, Longitudinal |
| C. | Inclined, Axial, Radial |
| D. | Axial, Inclined, Longitudinal |
| Answer» B. Radial, Inclined, Longitudinal | |