30 MN/m2
50 MN/m2
100 MN/m2
200 MN/m2
jointless section
homogeneous section
perfect section
seamless section.
equal to the hoop stress
twice the hoop stress
half of the hoop stress
one-fourth of hoop stress
maximum calculated value
minimum calculated value
mean value
extreme value
maximum torque it can transmit
number of cycles it undergoes before failure
elastic limit up to which it resists torsion, shear and bending stresses
torque required to produce a twist of one radian per unit length of shaft