MCQOPTIONS
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MCQOPTIONS
This section includes 6 Mcqs, each offering curated multiple-choice questions to sharpen your Mechanical Metallurgy Questions and Answers knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
To compare the elongation data from different sized specimen, the geometrical shape factor is taken into consideration. For a cylindrical specimen, the geometrical shape factor will ____________ (where L is the length, D is the diameter). |
| A. | L/D |
| B. | L2/D |
| C. | L/D2 |
| D. | √L/D |
| Answer» B. L2/D | |
| 2. |
The following tensile test specimen is tested for loading in uniaxial tension as shown in figure below. How will the curve look like if the sample is still in the elastic limit (the local extension is plotted along the length of the specimen)? |
| A. | a) |
| B. | b) |
| C. | c) |
| D. | d) |
| Answer» D. d) | |
| 3. |
The following tensile test specimen is tested for loading in uniaxial tension as shown in figure A. The local extension if plotted along the length of the sample the curve will look like figure B. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 4. |
For the given specimen the necking will begin when the true strain is equal to __________ |
| A. | n |
| B. | 2n |
| C. | 3n |
| D. | 4n |
| Answer» C. 3n | |
| 5. |
For the given specimen the necking will begin when the true strain will be equal to __________ |
| A. | n |
| B. | 2n |
| C. | 3n |
| D. | 4n |
| Answer» B. 2n | |
| 6. |
In which of the following sample, the diffuse necking will be observed? |
| A. | a) |
| B. | b) |
| C. | c) |
| D. | d) |
| Answer» D. d) | |