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. |
The overflow ratio is defined as ___ |
| A. | D/E |
| B. | F/E |
| C. | E/F |
| D. | D/F |
| Answer» E. | |
| 2. |
Calculate pressure drop for a cyclone with De to Dc ratio of 3/4? |
| A. | 2.333 |
| B. | 1.8 |
| C. | 9.6 |
| D. | 2.4 |
| Answer» C. 9.6 | |
| 3. |
Calculate inlet head, if density of fluid is 12.3 kg/m3 and critical velocity is 58 m/s? |
| A. | 123.13 |
| B. | 2.145 |
| C. | 15.22 |
| D. | 58 |
| Answer» B. 2.145 | |
| 4. |
What does the following represents?hui = 0.003ρ Vc2 |
| A. | Inlet area |
| B. | Inlet Velocity |
| C. | Inlet head |
| D. | Inlet pressure dropView Answer |
| Answer» D. Inlet pressure dropView Answer | |
| 5. |
Inlet are? |
| A. | Inlet Velocity |
| B. | Inlet head |
| C. | Inlet pressure drop |
| Answer» B. Inlet head | |
| 6. |
What is the pressure drop range of a cyclone? |
| A. | 0.5 to 8.0 inches |
| B. | 1.0 to 5.0 inches |
| C. | 5.0 to 6.0 inches |
| D. | 5.0 to 8.0 inches |
| Answer» D. 5.0 to 8.0 inches | |
| 7. |
The efficiency for cyclone increases as |
| A. | Pressure drop decreases |
| B. | Pressure drop increases |
| C. | Pressure drop is constant |
| D. | No relation |
| Answer» B. Pressure drop increases | |
| 8. |
The larger the diameter, the _____ is pressure drop. |
| A. | Large |
| B. | Less |
| C. | Same as |
| D. | Constant |
| Answer» C. Same as | |
| 9. |
For a good design, entrance velocities should be between ____ |
| A. | 500 to 1500 ft. /min |
| B. | 1000 to 4000 ft. /min |
| C. | 10 to 200 ft. /min |
| D. | 500 to 800 ft. /min |
| Answer» C. 10 to 200 ft. /min | |
| 10. |
Theoretical diameter |
| A. | Theoretical speed |
| B. | Minimum force |
| C. | Minimum feed |
| Answer» C. Minimum feed | |