This automation industry quiz question comes from the ISA Certified Control Systems Technician (CCST) program. Certified Control System Technicians calibrate, document, troubleshoot, and repair/replace instrumentation for systems that measure and control level, temperature, pressure, flow, and other process variables. Click this link for more information about the CCST program.
What common loop tuning terminology is used to describe the change in amplitude of the control loop oscillations shown in the post graphic?
a) 4:1 Decay Ratio
b) Quarter Wave Decay
c) ¼ ZN Diffraction
d) 4/1 Gain Response
e) none of the above
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