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 is most typical regarding loop diagrams?
A. They are relatively inexpensive to produce.
B. They are produced on an as-needed basis after the plant is running.
C. They show both the minimum and optional items that are required.
D. They are typically developed by a company's engineering staff.
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