“NCTD” Ltd. has been occupied with NDT personnel training and certification since 1996. The Centre is accredited by the Federal Ecology, Technology and Nuclear Supervising Service on 8 objects and 8 NDT methods and by the Faculty NDT Personnel Certification System RONKTD. “NCTD” Ltd. personnel have created a bank of test problems for individual test generation. They offer to use this bank on demand model. According to user’s enquiry which indicates a difficulty level and a set of parameters corresponding to a specific certification test aim, the bank server forms a new test and forwards it to the user.