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.
What must be done to reverse the direction of a three-phase motor?
A. Turn off one phase
B. Put DC to the stator
C. Reverse any two input leads
D. Switch all three phases
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