Component Parts Flashcards
1
Q
what are typical manipulated variables
A
valve position, motor speed, damper position and blade pitch
2
Q
what are some common control variables
A
temperature, level, position, pressure, PH, density, moisture content, weight and speed
3
Q
what are some typical disturbances?
A
changes in ambient temperature, demand for product or supply feed
4
Q
what are the four essential elements of a process control system?
A
measurement, process, control and evaluation
