Q. Torsional rigidity is (Solved)
1. The torque that produces rotation of unit r.p.m. in a shaft
2. The torque that transmits one HP at one r.p.m.
3. The torque that produces a twist of one radian in a shaft of unit diameter
4. The torque that produces a twist of one radian in a shaft of unit length
5. None of the above
- d. The torque that produces a twist of one radian in a shaft of unit length