A solid circular shaft needs to be designed to transmit a torque of 55 N m. If the allowable shear stress of the material is 280 N/mm², find the diameter (in mm) of the shaft required to transmit torque. (Assume, pi = 22/7)
- A. 5.62
- B. 10
- C. 31.62
- D. 25.0
Answer: B. 10