MCQOPTIONS
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MCQOPTIONS
This section includes 5 Mcqs, each offering curated multiple-choice questions to sharpen your Mechanical Behaviour knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Strain hardening is caused by glissile dislocations. |
| A. | True |
| B. | False |
| Answer» C. | |
| 2. |
Polycrystalline metal work harden more rapid than a single crystal. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 3. |
2 No. or half hard represents __________ of cold reduction. |
| A. | 11% |
| B. | 20% |
| C. | 40% |
| D. | 60% |
| Answer» C. 40% | |
| 4. |
Which material can be deep drawn? |
| A. | Rapid work hardening |
| B. | Slow work hardening |
| C. | Low workable |
| D. | Slow work hardening alloys with low workability |
| Answer» B. Slow work hardening | |
| 5. |
Strain hardening ____________ |
| A. | Increases density |
| B. | Decreases coefficient of thermal expansion |
| C. | Increases internal energy |
| D. | Increases corrosion resistance |
| Answer» D. Increases corrosion resistance | |