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 the angle of repose is said to be 260, then it is ____ |
| A. | Very free flowing |
| B. | Free flowing |
| C. | Cohesive |
| D. | Very cohesive |
| Answer» B. Free flowing | |
| 2. |
What are the sizes of a coarse powder? |
| A. | 5 100 mm |
| B. | 0.3 5 mm |
| C. | 100 300 micrometer |
| D. | 5 to 100 micrometer |
| Answer» D. 5 to 100 micrometer | |
| 3. |
What are the sizes of a coarse solid? |
| A. | 5 100 mm |
| B. | 0.3 5 mm |
| C. | 10 -100 micrometer |
| D. | < 1 micrometer |
| Answer» B. 0.3 5 mm | |
| 4. |
Bulk density of a mixture depends upon ______ |
| A. | Weight of particles |
| B. | Density of particles |
| C. | Size of particles |
| D. | Shape of particles |
| Answer» D. Shape of particles | |
| 5. |
What does the following represents? b= a(1- ) |
| A. | Relation of particle a and b |
| B. | Relation of bulk and true densities |
| C. | Relation of two void age |
| D. | Can t be specified |
| Answer» C. Relation of two void age | |
| 6. |
______ is defined as the mass of the solids divided by volume occupied by the solids. |
| A. | True density |
| B. | Bulk density |
| C. | Void density |
| D. | Mole fraction |
| Answer» B. Bulk density | |
| 7. |
______ is the percentage of total volume not occupied by the particles. |
| A. | Free space |
| B. | Void age |
| C. | Open volume |
| D. | Gross volume |
| Answer» C. Open volume | |
| 8. |
The selection of material handling system depends upon the constituents particles. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 9. |
If the settling is carried out with high concentrations of solids to liquid so that particles close together, the condition is called as _______ |
| A. | Hindered settling |
| B. | Terminal settling |
| C. | Gross settling |
| D. | Fundamental settling |
| Answer» B. Terminal settling | |