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. |
A round billet made of 70-30 brass is extruded at a temperature of 675°C. The billet diameter is 125 mm, and the diameter of the extrusion is 50 mm. Calculate the extrusion force required. |
| A. | 4 MN |
| B. | 5 MN |
| C. | 5.6 MN |
| D. | none of the mentioned |
| Answer» D. none of the mentioned | |
| 2. |
IN_WHICH_OF_THE_FOLLOWING_FORGING_PROCESS_POOR_MATERIAL_UTILIZATION_OCCURS??$ |
| A. | Open die |
| B. | Closed die |
| C. | Impression dies |
| D. | None of the Mentioned |
| Answer» B. Closed die | |
| 3. |
In rolling operation the roll rotate with surface velocity$ |
| A. | exceeding the speed of incoming metal |
| B. | lower than the speed of incoming metal |
| C. | equal to speed of the incoming metal |
| D. | none of the mentioned |
| Answer» D. none of the mentioned | |
| 4. |
Cogging_which_is_also_called_as_drawing_out,_is_basically_an?$ |
| A. | Open die forging operation |
| B. | Closed die forging operation |
| C. | Impression dies forging operation |
| D. | None of the Mentioned |
| Answer» B. Closed die forging operation | |
| 5. |
In ___________ extrusion, the billet is smaller in diameter than the chamber. |
| A. | forward |
| B. | indirect |
| C. | hydrostatic |
| D. | none of the mentioned |
| Answer» D. none of the mentioned | |
| 6. |
In _____________ extrusion, the die moves toward the unextruded billet. |
| A. | forward |
| B. | indirect |
| C. | hydrostatic |
| D. | none of the mentioned |
| Answer» C. hydrostatic | |
| 7. |
In ____________ extrusion, a billet is placed in a chamber. |
| A. | forward |
| B. | indirect |
| C. | hydrostatic |
| D. | none of the mentioned |
| Answer» B. indirect | |
| 8. |
A_round_billet_made_of_70-30_brass_is_extruded_at_a_temperature_of_675°C._The_billet_diameter_is_125_mm,_and_the_diameter_of_the_extrusion_is_50_mm._Calculate_the_extrusion_force_required.$ |
| A. | 4 MN |
| B. | 5 MN |
| C. | 5.6 MN |
| D. | none of the mentioned |
| Answer» D. none of the mentioned | |
| 9. |
In which of the following forging process no flash is formed? |
| A. | Open die |
| B. | Closed die |
| C. | Impression dies |
| D. | None of the Mentioned |
| Answer» C. Impression dies | |
| 10. |
The extra metal which settles down in the gutter is known as? |
| A. | Flash |
| B. | Slag |
| C. | Flux |
| D. | Barreling |
| Answer» B. Slag | |
| 11. |
In which of the forging process metal is kept in between a pair of dies and a gutter is provided in the lower die? |
| A. | Open die |
| B. | Closed die |
| C. | Impression dies |
| D. | None of the Mentioned |
| Answer» C. Impression dies | |
| 12. |
In which of the following forging metal is kept in the lower die? |
| A. | Open die |
| B. | Closed die |
| C. | Impression dies |
| D. | None of the Mentioned |
| Answer» B. Closed die | |
| 13. |
Which of the following is a type of forging? |
| A. | Open die |
| B. | Closed die |
| C. | Impression dies |
| D. | All of the Mentioned |
| Answer» E. | |
| 14. |
Forging is carried out at which temperature? |
| A. | Below re crystallization temperature |
| B. | Above re crystallization temperature |
| C. | Below or Above re crystallization temperature |
| D. | None of the Mentioned |
| Answer» D. None of the Mentioned | |
| 15. |
Shaping of metal by squeezing them in between two or more dies in order to obtain desire shape is done by? |
| A. | Forming |
| B. | Forging |
| C. | Welding |
| D. | Grinding |
| Answer» C. Welding | |