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Q. |
If this shaft is to be replaced by a hollow shaft of texternal diameter 22 mm for the same maximum shear stress and same torque, the internal diameter will be |
A. | 15.5 mm |
B. | 11 mm |
C. | 21 mm |
D. | 31 mm |
E. | 51 mm |
Answer» D. 31 mm |
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