The torsional rigidity of a shaft is expressed by the torque required to produce a twist of one radian per unit length of a shaft.

The torsional rigidity of a shaft is expressed by the torque required

1.	The torsional rigidity of a shaft is expressed by the torque required to produce a twist of one radian per unit length of a shaft.
A.	True
B.	False
Answer» B. False