MCQOPTIONS
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MCQOPTIONS
This section includes 8 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. |
The scatter between the fatigue life data for different samples ____________ with increase in the stress value. |
| A. | increases |
| B. | decreases |
| C. | remains constant |
| D. | no relation |
| Answer» C. remains constant | |
| 2. |
Among the given mechanical test, the highest number of samples are required in __________ |
| A. | tensile test |
| B. | torsion test |
| C. | fatigue test for S-N curve |
| D. | fatigue test for probabilistic analysis |
| Answer» E. | |
| 3. |
The fatigue limit of the material is considered after ___________ cycles. |
| A. | 10<sup>5</sup> |
| B. | 5*10<sup>5</sup> |
| C. | 10<sup>8</sup> |
| D. | 100 |
| Answer» D. 100 | |
| 4. |
The high cycle fatigue is described by the Basquin equation. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 5. |
Which of the following material does not show endurance limit? |
| A. | Mild Steel |
| B. | Cast iron |
| C. | Titanium |
| D. | Aluminum |
| Answer» E. | |
| 6. |
A low cycle fatigue consists of typically ________ cycles. |
| A. | 10 cycles |
| B. | 10<sup>2</sup> cycles |
| C. | less than 10<sup>5</sup> cycles |
| D. | more than 10<sup>8</sup> cycles |
| Answer» D. more than 10<sup>8</sup> cycles | |
| 7. |
The S-N curve is the plot between the Stress and the number of cycle to failure and both are plotted in the log-log scale. |
| A. | True |
| B. | False |
| Answer» C. | |
| 8. |
The basic fatigue data is plotted in the form of ___________ |
| A. | Pourbaix diagram |
| B. | Ellingham diagram |
| C. | S-N Curve |
| D. | P-T curve |
| Answer» D. P-T curve | |