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


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