Iron and brass are commonly used in bimetallic thermometers, because:

Question

Question ATPL - Airline Transport Pilot license - Aircraft General Knowledge - Instrumentation

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They have two different coefficients of linear expansion.

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They have two different weights.

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They have two different values of flexional strength.

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They have two different electrical resistances when the temperature changes.

Id 76 - ATPL - Iron and brass are commonly used in bimetallic thermometers, because: