Based on my 8 years of experience in Oil & Gas industry I'm trying here to introduce you to the most of what you may need to know about Process Control as a chemical engineer. This is an introduction to understand more about :- Introduction Process Attributes Control Modes Control Modes comparison Control Mode Selection System Order System Response Control Tuning Typical Tuning Values References This is 3 of 4 presentations on this topic. All the data and the illustrative figures presented here can be found through two reference books:- ENGINEERING DATA BOOK by Gas Processors Suppliers Association Process Technology - Equipment and Systems by Charles E. Thomas A Real-Time Approach to Process Control by William Y. Svrcek. Thank you.