Chemical Engineering - Process Control and Instrumentation - Discussion


Gas chromatography is used for the measurement of

[A]. temperature
[B]. pressure
[C]. concentration
[D]. flow rate

Answer: Option C


No answer description available for this question.

Gami said: (Dec 18, 2012)  
Temperature can be measured by thermocouple, rtd etc. Pressure can be measured by bellows bourden tubes etc and flow can be measured by venturi, orifice etc. Chromatography is the only instrument used to measure concentration between mobile and stationary phase of a fluid.

Asm said: (Oct 15, 2016)  
Thank you @Gami.

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