MCQOPTIONS
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MCQOPTIONS
This section includes 6 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. |
The total strain energy for a unit cube subjected to three principal stresses is given by? |
| A. | U= [( ) + ( ) + ( ) ]/3 |
| B. | U= [( + + )/2E] ( + + )2 |
| C. | U= [( ) + ( ) + ( ) ]/4 |
| D. | None of the mentioned |
| Answer» C. U= [( ) + ( ) + ( ) ]/4 | |
| 2. |
The region of safety in maximum shear stress theory contains which of the given shape |
| A. | Hexagon |
| B. | Rectangle |
| C. | Square |
| D. | None of the mentioned |
| Answer» B. Rectangle | |
| 3. |
If a body is subjected to stresses in xy plane with stresses of 60N/mm and 80N/mm acting along x and y axes respectively. Also the shear stress acting is 20N/mm . Find the minimum normal stress. |
| A. | 45.4 |
| B. | 47.6 |
| C. | 48.2 |
| D. | 50.6 |
| Answer» C. 48.2 | |
| 4. |
If a body is subjected to stresses in xy plane with stresses of 60N/mm and 80N/mm acting along x and y axes respectively. Also the shear stress acting is 20N/mm . Find the maximum normal stress. |
| A. | 90 |
| B. | 92.4 |
| C. | 94.2 |
| D. | 96 |
| Answer» C. 94.2 | |
| 5. |
If a body is subjected to stresses in xy plane with stresses of 60N/mm and 80N/mm acting along x and y axes respectively. Also the shear stress acting is 10N/mm . Find the inclination of the plane in which shear stress is maximal. |
| A. | 45 |
| B. | 30 |
| C. | 60 |
| D. | 15 |
| Answer» B. 30 | |
| 6. |
If a body is subjected to stresses in xy plane with stresses of 60N/mm and 80N/mm acting along x and y axes respectively. Also the shear stress acting is 20N/mm Find the maximum amount of shear stress to which the body is subjected. |
| A. | 22.4mm |
| B. | 25mm |
| C. | 26.3mm |
| D. | 27.2mm |
| Answer» B. 25mm | |