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Which of the following is used for measuring gas flow?

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+2 votes
in Fermentation Technology by (72.1k points)
Which of the following is used for measuring gas flow?

(a) Rotameter

(b) Spectrophotometer

(c) UV transilluminator

(d) Chromatography

The question was posed to me in an international level competition.

This is a very interesting question from Instrumentation and Control in chapter Instrumentation and Control of Fermentation Technology

1 Answer

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Best answer
The correct option is (a) Rotameter

Explanation: The Rotameter is useful in the measurement of gas flow. It consists of a vertically mounted glass tube. Rotameters are also used to measure the flow rate of liquid if abrasive or fibrous materials are not present.

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