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In shaft design, what is the significance of ensuring a safe diameter (d) concerning bending stress?
28. In shaft design, what is the significance of ensuring a safe diameter (d) concerning bending stress?
- Smaller diameter reduces bending stress
- Larger diameter reduces bending stress
- Bending stress is irrelevant in shaft design
- Diameter doesn't affect bending stress
Answer
The correct answer is: B) Larger diameter reduces bending stress
Explanation
A larger shaft diameter tends to spread bending stresses across a larger cross-sectional area, strengthening the shaft against bending failure. This reduces the amount of bending stress.