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AutoQuiz: What Type of Wire Is Used in a Process Control Loop?

The post AutoQuiz: What Type of Wire Is Used in a Process Control Loop? first appeared on the ISA Interchange blog site.

AutoQuiz is edited by Joel Don, ISA’s community manager.

Today’s 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 information about the CCST program. This question comes from the Level I study guide, Domain 3, Troubleshooting. Level I represents a professional who has a five-year total of education, training, and/or experience.

autoquiz-20161216-wire-type-process-control-loop

What kind of wires in a process control loop would most likely be shielded cables?  

a) power wires
b) ground wires
c) signal wires
d) control wires
e) none of the above

   

<span class="collapseomatic " id="id7000" tabindex="0" title="Click Here to Reveal the Answer” >Click Here to Reveal the Answer

The correct answer is C.

Source: ISA News