Control Engineer Lead Interview Questions and Answers

I have worked on various treatment technologies including wastewater treatment, air pollution control, and water purification systems.

• Wastewater treatment processes such as activated sludge, membrane bioreactors, and anaerobic digestion

• Air pollution control technologies like scrubbers, electrostatic precipitators, and catalytic converters

• Water purification systems including reverse osmosis, UV disinfection, and ozonation

PLC selection involves choosing the right programmable logic controller based on the specific requirements of the control system.

• Consider the number of I/O points required for the system

• Evaluate the processing speed and memory capacity needed

• Take into account the communication protocols supported

• Factor in the environmental conditions where the PLC will be installed

• Ensure compatibility with existing hardware and software

• Examples: Siemens S7-1200, Allen-Bradley CompactLogix, Om...read more