A control loop is:
A) Collection of instruments that work together to automatically control a process.
B) Primary elements/sensors, transmitter, controller, transducer, final control element.
C) Control valves, transmitters, controllers, temperature indicators.
D) a & b

Question

Quizplus · Accepted Answer

A control loop indeed consists of a collection of instruments working together to automatically control a process and includes primary elements/sensors, transmitters, controllers, transducers, and final control elements.

A Control Loop Is