MCQOPTIONS
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MCQOPTIONS
This section includes 9 Mcqs, each offering curated multiple-choice questions to sharpen your Manufacturing Processes knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
During friction welding, shielding gases are needed. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 2. |
Which of the following is not true about inertia welding? |
| A. | Weld is formed when the flywheel stops |
| B. | The process is difficult for automation |
| C. | Weld quality is consistent |
| D. | Parts remain in contact even after the weld is completed |
| Answer» C. Weld quality is consistent | |
| 3. |
Inertia welding is a modified form of friction welding. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 4. |
By friction welding, steel bars upto _____ mm diameter can be welded. |
| A. | 10 |
| B. | 50 |
| C. | 100 |
| D. | 210 |
| Answer» D. 210 | |
| 5. |
After the welding temperature is reached _____ |
| A. | rotation is stopped |
| B. | speed of rotation is increased |
| C. | rotation of first workpiece is stopped and second workpiece starts rotating |
| D. | filler material is added |
| Answer» B. speed of rotation is increased | |
| 6. |
During friction welding, initially low pressure is applied. Why? |
| A. | For slowly increasing the surface temperature |
| B. | For melting the surface coating on the materials |
| C. | To check weldabilty of two materials |
| D. | For initial cleaning of the surface |
| Answer» E. | |
| 7. |
Which of the following is true about friction welding? |
| A. | One workpiece is held stationary while the other is moving |
| B. | Both the workpieces are moving |
| C. | Both the workpieces are stationary and filler is added in the space between them |
| D. | The material is deformed elastically |
| Answer» B. Both the workpieces are moving | |
| 8. |
In friction welding, material is deformed due to_____ |
| A. | elastic deformation |
| B. | plastic deformation |
| C. | ductile deformation |
| D. | brittle deformation |
| Answer» C. ductile deformation | |
| 9. |
Friction welding produces welds due to ______ |
| A. | electrode melting |
| B. | workpiece melting |
| C. | relative motion between workpieces |
| D. | adhesive force between workpiece particles |
| Answer» D. adhesive force between workpiece particles | |