MCQOPTIONS
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This section includes 5 Mcqs, each offering curated multiple-choice questions to sharpen your Machine Design knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
A beam subjected to bending moment undergoes which of the following stresses? |
| A. | Compressive |
| B. | Tensile |
| C. | Both compressive & tensile |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 2. |
According to principal stress theory, which option represents the correct relation between yield strength in shear (YSS) and the yield strength in tension (YST)? |
| A. | YSS=0.5YST |
| B. | YSS=0.577YST |
| C. | YST=0.5YSS |
| D. | YST=0.577YSS |
| Answer» B. YSS=0.577YST | |
| 3. |
Modulus of rigidity for carbon steels is greater than that of grey cast iron. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 4. |
Which of the following relationship is true? (p=Poisson s ratio) |
| A. | E=2G (1+p) |
| B. | E=G (2+p) |
| C. | E= 2(G+ p) |
| D. | No relation exist between E, G and p |
| Answer» B. E=G (2+p) | |
| 5. |
If there are residual stresses in the material, than lower factor of safety is used. |
| A. | True |
| B. | False |
| Answer» C. | |