1. What is a Programmable Logic Controller (PLC) and how does it work?
2. What is the role of distribution in power transmission and how do transformers operate within this system?
3. What is the role of Variable Frequency Drives (VFD) in automation?
4. What are the operational procedures and maintenance protocols for the ATRS machine?
5. What are the responsibilities of a site engineer working with the ATRS machine at IGI Airport in New Delhi?