(A) in which stress remains constant on in-creasing load (X)
(B) in which deformation tends to loosen the joint and produces a stress reduced ()
(C) in which parts are not loaded (X)
(D) stress reduces on increasing load (X)
(E) none of the above (X)
Answers Stress relaxation is- the phenomenon in which deformation tends to loosen the joint and produces a stress reduced.