MCQOPTIONS
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MCQOPTIONS
This section includes 6 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. |
Transition temperature is defined at 50% fibrous fracture. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 2. |
Transition range is 0.5 0.7 Tm for metals. |
| A. | True |
| B. | False |
| Answer» C. | |
| 3. |
Sharper the notch in a specimen, the higher will be the _________ and low the _________ |
| A. | Crystallization temperature, Impact toughness. |
| B. | Transition temperature, impact toughness |
| C. | Transition temperature, Fracture stress |
| D. | Crystallization temperature, fracture stress |
| Answer» C. Transition temperature, Fracture stress | |
| 4. |
What is the transition temperature range for ceramics? |
| A. | 0.1 0.2 T<sub>m</sub> |
| B. | 0.3 0.5 T<sub>m</sub> |
| C. | 0.5 0.7 T<sub>m</sub> |
| D. | 0.7 0.9 T<sub>m</sub> |
| Answer» D. 0.7 0.9 T<sub>m</sub> | |
| 5. |
With increasing ___________ material s amount of deformation which can be achieved decreases. |
| A. | Temperature |
| B. | Slip systems |
| C. | Strain rate |
| D. | Vacancies |
| Answer» D. Vacancies | |
| 6. |
On increasing temperature, a material tends to loose its ability to resists plastic deformation is due to decrease in _________________ |
| A. | Tensile stress |
| B. | Yield stress |
| C. | Compressive stress |
| D. | Shear stress |
| Answer» C. Compressive stress | |