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1. |
A spur gear has a module of 3 mm, number of teeth 16, a face width of 36 mm and a pressure angle of 20 . It is transmitting a power of 3 kW at 20 rev/s. Taking a velocity factor of 1.5 and a form factor of 0.3, the stress in the gear tooth is about |
A. | 32 MPa |
B. | 46 MPa |
C. | 58 MPa |
D. | 70 MPa |
Answer» C. 58 MPa | |