MCQOPTIONS
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MCQOPTIONS
This section includes 15 Mcqs, each offering curated multiple-choice questions to sharpen your Manufacturing Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
IN_WHICH_OF_THE_FOLLOWING_PROCESS_FLUID_MEDIUM_IS_USED_TO_APPLY_THE_LOAD_ON_THE_BILLET??$ |
| A. | Direct |
| B. | Indirect |
| C. | Impact |
| D. | Hydrostatic |
| Answer» E. | |
| 2. |
Which defect arises due to high friction or high speed?$ |
| A. | Tearing |
| B. | Surface cracking |
| C. | Tearing & Surface cracking |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 3. |
Extrusion is similar to?$ |
| A. | Rolling |
| B. | Forming |
| C. | Welding |
| D. | Casting |
| Answer» B. Forming | |
| 4. |
The centre of the extruded product can develop cracks called as? |
| A. | Centre cracking |
| B. | Centre burst |
| C. | Arrow headed fracture |
| D. | All of the mentioned |
| Answer» E. | |
| 5. |
Which of the following defect is also known as fish tailing? |
| A. | Surface cracking |
| B. | Pipe defect |
| C. | Tearing |
| D. | Internal cracking |
| Answer» C. Tearing | |
| 6. |
Which of the following defect tends to draw surface oxides and impurities towards the centre of billet? |
| A. | Blow hole |
| B. | Cold shut |
| C. | Surface cracking |
| D. | Pipe defect |
| Answer» E. | |
| 7. |
Which of the following defect is also known as bamboo defect? |
| A. | Blow hole |
| B. | Cold shut |
| C. | Surface cracking |
| D. | Pipe defect |
| Answer» D. Pipe defect | |
| 8. |
In which of the following process frictional loss is eliminated at the billet container interface? |
| A. | Direct |
| B. | Indirect |
| C. | Impact |
| D. | Hydrostatic |
| Answer» E. | |
| 9. |
Which of the following is also known as cold extrusion process? |
| A. | Direct |
| B. | Indirect |
| C. | Impact |
| D. | Hydrostatic |
| Answer» D. Hydrostatic | |
| 10. |
Which of the following is not used because of the problem of handling extruded metal coming out through moving ram? |
| A. | Direct |
| B. | Indirect |
| C. | Impact |
| D. | Hydrostatic |
| Answer» C. Impact | |
| 11. |
In direct extrusion process at higher temperature which of the following is used to avoid friction? |
| A. | Oil |
| B. | Lubricants |
| C. | Molten glasses |
| D. | Wax |
| Answer» D. Wax | |
| 12. |
In which extrusion process the direction of flow of metal is in same direction as that of ram? |
| A. | Direct |
| B. | Indirect |
| C. | Impact |
| D. | Hydrostatic |
| Answer» B. Indirect | |
| 13. |
Which of the following is true about the extrusion process? |
| A. | Structure is homogeneous |
| B. | No time is lost in changing the shape |
| C. | Service life of extrusion tool is too high |
| D. | Its leading end is in good shape as compared to rolling |
| Answer» C. Service life of extrusion tool is too high | |
| 14. |
Which of the following is a type of extrusion process? |
| A. | Direct |
| B. | Indirect |
| C. | Impact |
| D. | All the above mentioned |
| Answer» E. | |
| 15. |
In which process the cross section of the metal is reduced by forcing it to flow through a die under high pressure? |
| A. | Forging |
| B. | Forming |
| C. | Extrusion |
| D. | Welding |
| Answer» D. Welding | |