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This section includes 6 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. |
As the rate of feed increases, the size reduction ____ |
A. | Increases |
B. | Remains constant |
C. | Equals |
D. | Decreases |
Answer» E. | |
2. |
The feed size of a ball mill ranges from _____ |
A. | 50 mm |
B. | 100 mm |
C. | 200 mm |
D. | 300 mm |
Answer» B. 100 mm | |
3. |
The shell diameter ranges from ____ |
A. | 1 to 2.5 m |
B. | 3 to 4.25 m |
C. | 2 to 3 m |
D. | 5 to 10 m |
Answer» C. 2 to 3 m | |
4. |
Calculate . If radius of feed and roll are 100 mm and 500 mm respectively and largest particle is 5 mm? |
A. | 41.1 |
B. | 32.75 |
C. | 16 |
D. | 20 |
Answer» C. 16 | |
5. |
What is for average conditions? |
A. | 0.961 |
B. | 160 |
C. | 170 |
D. | 200 |
Answer» C. 170 | |
6. |
For crushing rolls, is_____ |
A. | Angle of bend |
B. | Angle of Nip |
C. | Angle of stamp |
D. | Angle of Camp |
Answer» C. Angle of stamp | |