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. |
If angle of repose is too low, then velocity is _________ |
| A. | Constant |
| B. | Low |
| C. | High |
| D. | Optimum |
| Answer» D. Optimum | |
| 2. |
Suppose the particles of a sump are sliding across a cone, which of the following is true? |
| A. | Cos = |
| B. | Cos /2 < |
| C. | = |
| D. | /2 > |
| Answer» E. | |
| 3. |
________ the steepest angle at which a sloping surface formed of loose material. |
| A. | Angle of nip |
| B. | Angle of crutch |
| C. | Angle of Dump |
| D. | Angle of repose |
| Answer» E. | |
| 4. |
In a conical screen filter, the liquid is impelled through a _________ |
| A. | Centrifuge |
| B. | Torque |
| C. | Escaper |
| D. | Desolater |
| Answer» B. Torque | |
| 5. |
The power requirements ________ at unloading. |
| A. | Decrease |
| B. | Increase |
| C. | Constant |
| D. | Stable |
| Answer» C. Constant | |
| 6. |
The unloading time depends upon the _________ |
| A. | Torque |
| B. | Radial |
| C. | Axial |
| D. | Longitudinal |
| Answer» B. Radial | |
| 7. |
Centrifuge and automatic discharges are used for ________ |
| A. | Crystalline and product removal |
| B. | Amorphous and feed removal |
| C. | Crystalline and feed removal |
| D. | Amorphous and product removal |
| Answer» B. Amorphous and feed removal | |
| 8. |
What is an optimum speed of a basket centrifuge? |
| A. | 100 to 500 rpm |
| B. | 800 to 1800 rpm |
| C. | 1500 to 2000 rpm |
| D. | 200 to 500 rpm |
| Answer» C. 1500 to 2000 rpm | |
| 9. |
As the solids are deposited, the cake resistance will ______ |
| A. | Decrease |
| B. | Increase |
| C. | Constant |
| D. | Stable |
| Answer» C. Constant | |