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Which of the following is not the use of compressed air?

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+1 vote
in Fermentation Technology by (72.1k points)
Which of the following is not the use of compressed air?

(a) Provide oxygen to the broth

(b) Activate valves

(c) Vessel emptying

(d) Prevent Rusting

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

My doubt stems from Fermentation Laboratory topic in division Equipping a Fermentation Laboratory, the Design and Preparation of Media for Bioprocesses of Fermentation Technology

1 Answer

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by (424k points)
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Best answer
Correct choice is (d) Prevent Rusting

The best explanation: The compressed air has several functions in the fermenter. It is used to provide oxygen to the broth and is also used to activate pneumatic valves. It is also used to increase the rate of emptying the vessel.

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