ITC Limited - Paperboards Specialty Papers Division Instrument Engineer Interview Questions and Answers

Three element drum level control is a method of controlling the water level in a steam drum using three inputs.

• The three inputs are steam flow, feedwater flow, and drum level.

• The steam flow and feedwater flow are used to calculate the rate of change of drum level.

• The drum level is then adjusted based on the calculated rate of change.

• This method provides better control than single or two element control.

• It can prevent b...read more