+1 vote
in Fermentation Technology by (72.1k points)
Which of the following parameters is not useful in the construction of pressure bellows?

(a) Hysteresis

(b) Sensitive to changing pressures

(c) Corrosion

(d) pH

I had been asked this question in examination.

This intriguing question originated from Instrumentation and Control topic in portion Instrumentation and Control of Fermentation Technology

1 Answer

+2 votes
by (424k points)
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Best answer
The correct choice is (d) pH

To explain I would say: The parameters which are kept in mind while constructing pressure bellows are Hysteresis, sensitive to changing pressures, corrosion, range of pressure, fabrication ease, fatigue on the dynamic operation.

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