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If the two metals have different temperature coefficient then, they are useful in making _________

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in Fermentation Technology by (72.1k points)
If the two metals have different temperature coefficient then, they are useful in making _________

(a) Manometric thermometer

(b) Gas thermometer

(c) Bimetallic thermometer

(d) Digital thermometer

This question was addressed to me during an online interview.

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

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Best answer
Correct choice is (c) Bimetallic thermometer

For explanation: The bimetallic thermometer consists of a bimetallic strip which has a different temperature coefficient. It is used to convert temperature into mechanical displacement.

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