Sperry Drilling Services interview questions

There were Field Operation Development Program when i been offered to this job.The total process was in 4 parts.First they have checked educational knowledge such as mechanical mathematical and language knowledge.After passing this step they asked to come for HR interview, which held with HR and the program coach.After successfully passing this step they invited Foundation day which we need to prepare presentation with any topic.I have prepared about drilling and after 2 weeks they called be to Sperry Department for technical Interview.