question_answer

                             If \[{{\sigma }_{w}}=\] working stress, \[{{\sigma }_{w}}=\]ultimate stress then the which of the following relation is free?

A)  \[{{\sigma }_{w}}={{\sigma }_{u}}\]               

B)  \[{{\sigma }_{w}}<{{\sigma }_{u}}\]

C)  \[{{\sigma }_{w}}>{{\sigma }_{u}}\]               

D)  None of these