ISA Certified Control Systems Technician (CCST) program
Certified Control System Technicians (CCSTs) calibrate, document, troubleshoot, and repair/replace instrumentation for systems that measure and control level, temperature, pressure, flow, and other process variables.
Which of the following describes a controller in which an increase in the process variable results in an increase in the output to the manipulated variable?
A. reverse acting
B. direct acting
D. fail safe
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