AutoQuiz: Can You Identify Instrument Line Symbols?

The post AutoQuiz: Can You Identify Instrument Line Symbols? 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 more 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.

Per ISA-5.1-1984 (R1992, Instrument Symbols and Identification), the line below is a (an) ___________ instrument line symbol.

a) electric
b) pneumatic
c) hydraulic
d) sonic
e) none of the above


<span class="collapseomatic " id="id4968" tabindex="0" title="Click Here to Reveal the Answer” >Click Here to Reveal the Answer


Here are the mentioned noted instrument line symbols from the ISA standard.

The best answer is A, electric.


Source: ISA News