 
			 
			MCQOPTIONS
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				This section includes 10 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. | To determine the creep rate, the curve is plotted between the _________ | 
| A. | stress-strain | 
| B. | stress-time | 
| C. | strain-time | 
| D. | strain- temperature | 
| Answer» D. strain- temperature | |
| 2. | The progressive deformation of the material at constant stress is called __________ | 
| A. | fatigue | 
| B. | fracture | 
| C. | creep | 
| D. | rupture | 
| Answer» D. rupture | |
| 3. | Which of the following material has the highest damping capacity? | 
| A. | Steel | 
| B. | Brass | 
| C. | Cast iron | 
| D. | Stainless steel | 
| Answer» D. Stainless steel | |
| 4. | The damping capacity of the material depends on the frequency of the vibration. It is not a material property. | 
| A. | True | 
| B. | False | 
| Answer» C. | |
| 5. | The internal friction studies are generally conducted at ______ stress and ______ strains. | 
| A. | low, small | 
| B. | high, small | 
| C. | low, large | 
| D. | high, large | 
| Answer» B. high, small | |
| 6. | The internal energy dissipation at larger stresses and strains are generally called ____________ | 
| A. | vibration | 
| B. | damping | 
| C. | stored energy | 
| D. | extra energy | 
| Answer» C. stored energy | |
| 7. | The measure of the internal friction is the fractional decrease in ____________ per cycle. | 
| A. | stress amplitude | 
| B. | strain amplitude | 
| C. | vibrational energy | 
| D. | hysteresis loss | 
| Answer» D. hysteresis loss | |
| 8. | With anelastic behavior of the material, the stress and strain are out of phase during cyclic loading and unloading. | 
| A. | True | 
| B. | False | 
| Answer» B. False | |
| 9. | In the polymers, the energy dissipation and the anelastic behavior is caused by _________ | 
| A. | elastic effect | 
| B. | grain boundary sliding | 
| C. | motion of dislocation | 
| D. | bond rotation | 
| Answer» E. | |
| 10. | The thermo-elastic behavior is the only cause of anelastic effect and the elastic hysteresis loop on stress-strain curve. | 
| A. | True | 
| B. | False | 
| Answer» C. | |