MCQOPTIONS
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MCQOPTIONS
This section includes 4 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. |
Propagation of fatigue failure is always due to compressive stresses. |
| A. | Due to bending |
| B. | Due to tensile |
| C. | Due to fatigue |
| D. | None of the listed |
| Answer» C. Due to fatigue | |
| 2. |
When two Belleville springs are in parallel, half force is obtained for a given deflection. |
| A. | Half force |
| B. | Double force |
| C. | Same force |
| D. | Can t be determined |
| Answer» C. Same force | |
| 3. |
When two Belleville sprigs are arranged in series, half deflection is obtained for same force. |
| A. | One fourth deflection |
| B. | Double deflection |
| C. | Four time deflection |
| D. | None of the listed |
| Answer» C. Four time deflection | |
| 4. |
A leaf spring consists of 3 extra full length leaves and 14 graduated length leaves. The maximum force that can act on the spring is 70kN and the distance between eyes of the spring is 1.2m. Width and thickness of the leaves are 100mm and 12mm respectively. If modulus of elasticity is 207000N/mm , calculate the initial nip. |
| A. | 26.8mm |
| B. | 24.9mm |
| C. | 22.5mm |
| D. | 23.1mm |
| Answer» C. 22.5mm | |