MCQOPTIONS
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MCQOPTIONS
This section includes 657 Mcqs, each offering curated multiple-choice questions to sharpen your Testing Subject knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Amount of heat generated in shear plane is: |
| A. | Directly proportional to shear angle |
| B. | Inversely proportional to shear angle |
| C. | Does not depend on shear angle |
| D. | None of the mentioned |
| Answer» C. Does not depend on shear angle | |
| 2. |
By increasing feed rate, amount of heat generated |
| A. | Increases |
| B. | Decreases |
| C. | Remains constant |
| D. | None of the mentioned |
| Answer» C. Remains constant | |
| 3. |
By increasing cutting speed, amount of heat generated |
| A. | Increases |
| B. | Decreases |
| C. | Remains constant |
| D. | None of the mentioned |
| Answer» B. Decreases | |
| 4. |
If heat transferred to atmosphere is neglected, then the average amount of heat in % transferred to tool is nearly equal to: |
| A. | 70 |
| B. | 15 |
| C. | 20 |
| D. | 96 |
| Answer» C. 20 | |
| 5. |
Temperature rise in secondary deformation zone is generally due to: |
| A. | Plastic deformation of metal in shear zone |
| B. | Friction between tool and chip |
| C. | Rubbing action of tool piece with work piece |
| D. | None of the mentioned |
| Answer» C. Rubbing action of tool piece with work piece | |