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1. |
A hub is press fitted on a shaft. An element in the hub is subjected to a radial compressive stress of 50 N/mm2 and hoop stress of 75 N/mm2. If the hub is made of 30C8 steel with yield strength, σy = 350 N/mm2, what is the factor of safety using maximum shear stress theory? |
A. | 2.8 |
B. | 3.6 |
C. | 4.2 |
D. | 5.6 |
Answer» B. 3.6 | |