AutoQuiz: How Do You Calculate Absolute PSI?

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

Today’s automation industry quiz question comes from the ISA Certified Control Systems Technician (CCST) program. Certified Control System Technicians AutoQuiz20151030calibrate, 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 is from the Level I study guide, Domain 1, Calibration. Level I represents a professional who has a five-year total of education, training, and/or experience.

A gauge pressure of 195 psi is roughly what in absolute psi?

a) 151
b) 164
c) 178
d) 210
e) none of the above

   

Click Here to Reveal the Answer

Add Patmospheric (14.7 lbf/in2) to Pgauge (195 lbf/in2) to get the best answer, D.

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