The joint efficiency depends upon the extent of Non Destructive Test $($NDT$)$ value. In case of $<<$ no radiography$>>$ is performed, then the joint efficiency is $\_\_\_\_?$

Question $5$Answer

a$.$

$1$

b$.$

$0\mathrm{.}85$

c$.$

$0\mathrm{.}95$

d$.$

$0\mathrm{.}7$