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What is the Difference Between Volumetric and Mass Flow?

The post What is the Difference Between Volumetric and Mass Flow? first appeared on the ISA Interchange blog site.

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

AutoQuiz20150821-rev02Today’s automation industry quiz question comes from ISA’s new course, Extreme Instrumentality: Electrical to Instrumentation Cross Training Boot Camp. The class, which is offered from September 29 to October 2, 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.

Discount Alert: ISA is offering a one-time only special for the Electrical to Instrumentation Cross Training Boot Camp at 40% off regular pricing. This special is for the pilot course offering only.

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


<span class="collapseomatic " id="id7598" tabindex="0" title="Click Here to Reveal the Answer“>Click Here to Reveal the Answer

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.


Source: ISA News