Welder Qualification test

Can you show me the standard to answer this question below:

Is it permissible to allow a trainee welder to carry out production welding?
A) Never
B) Yes as long as the supervisor is happy with his workmanship standard
C) Yes as long as he has the approved qualification to cover the intended scope of work
D) Yes as long as no NDT is required on the finished weld

1 Like