MCQOPTIONS
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MCQOPTIONS
This section includes 11 Mcqs, each offering curated multiple-choice questions to sharpen your Mechanical Metallurgy knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
In which of the following furnace, stirring action while mixing the different alloys is most efficient? |
| A. | Muffle furnace |
| B. | Cupola furnace |
| C. | Induction furnace |
| D. | Arc furnace |
| Answer» D. Arc furnace | |
| 2. |
For which of the following material, room temperature working is not equivalent to hot working? |
| A. | Zinc |
| B. | Lead |
| C. | Copper |
| D. | Tin |
| Answer» D. Tin | |
| 3. |
Which of the following property of the material does not affect its metalworking behaviour? |
| A. | Yield strength |
| B. | Ultimate tensile strength |
| C. | Endurance limit |
| D. | Strain hardening rate |
| Answer» D. Strain hardening rate | |
| 4. |
The surface finish of workpiece in hot working is _______ the surface finish in cold working. |
| A. | better than |
| B. | worse than |
| C. | same as |
| D. | relative to |
| Answer» C. same as | |
| 5. |
The hot working of the material is carried out above the recrystallization temperature of the material. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 6. |
In rolling of metal, the total possible reduction in second pass is more significant than the reduction possible in first pass. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 7. |
At what temperature, the hot extrusion process is generally carried out? |
| A. | At room temperature |
| B. | Below room temperature |
| C. | Half of the melting point |
| D. | Near the melting point |
| Answer» D. Near the melting point | |
| 8. |
For which of the following method, the lubrication of die and the workpiece is required? |
| A. | Forging |
| B. | Rolling |
| C. | Wire drawing |
| D. | Sheet metal forming |
| Answer» D. Sheet metal forming | |
| 9. |
For forging the bolt head on the of hexagonal shape on the thick plate, the best method is ______ |
| A. | drop forging |
| B. | press forging |
| C. | hammering |
| D. | progressive forging |
| Answer» C. hammering | |
| 10. |
The nature of force in extrusion process is ________________ |
| A. | shear force |
| B. | tensile force |
| C. | compressive force |
| D. | spring back force |
| Answer» D. spring back force | |
| 11. |
The metal forming process blanking is associated with which type of force? |
| A. | Shear force |
| B. | Tensile force |
| C. | Compressive force |
| D. | Spring back force |
| Answer» B. Tensile force | |