ISA Interchange

AutoQuiz: What is the Difference Between Volumetric and Mass Flow?

Written by Joel Don | Aug 21, 2015 1:00:05 PM

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

Today's automation industry quiz question comes from ISA's technical training course, Extreme Instrumentality: Electrical to Instrumentation Cross Training Boot Camp. The training focuses on the knowledge and skill sets required to function as an instrument maintenance technician. Process measurement techniques, measurement and control equipment, calibrations techniques and calibration equipment will be discussed and utilized in numerous hands-on lab sessions. Knowledge gained from this course is designed to train you to be a key asset to an I&E maintenance team.

Which of the following is a measurement unit for volumetric flow measurement?

A) Pounds per hour
B) Gallons per minute
C) Kilograms per hour
D) Pounds per minute
E) None of the above

The following flow units explain the difference between volumetric flow and mass flow.

Volumetric Flow

  • Gpm
  • cf/hr
  • m3/hr

Mass Flow

  • Lbs/hr
  • Scf/hr
  • Metric tonnes/hr

The correct answer is B.

About the Editor
Joel Don is the community manager for ISA and is an independent content marketing, social media and public relations consultant. Prior to his work in marketing and PR, Joel served as an editor for regional newspapers and national magazines throughout the U.S. He earned a master's degree from the Medill School at Northwestern University with a focus on science, engineering and biomedical marketing communications, and a bachelor of science degree from UC San Diego.

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