1. What are the measurements for three-element boiler water control?
2. Which fuel has the greatest BTU value?
3. Feedforward, cascade, and ratio control are all used in the control of boilers.
True or False?
4. What does 2oo3 mean?
What are your answers before you read ahead?
1. Drum level, Feedwater flow, Steam flow
2. b. Gas
4. 2 out of 3
From the ISA course Boiler Control Systems Engineering (ES15) pre-instructional survey.