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Chapter 13 BI-METALLIC THERMOMETER MCQs

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1. . The bimetallic thermometer uses the bimetallic strip which converts the temperature into the____________.





2. . Working principle of bimetallic thermometers is difference in linear coefficient of thermal expansion of two strips of different metals welded together. Which of the following has the maximum thermal co-efficient of linear expansion?





3. . How the size of an object changes with a change in temperature is called____________.





4. . A mechanical element used to sense temperature & change it into a mechanical displacement is known as a____________.





5. . The bimetallic strip of the thermometer is constructed with metals____________.





6. . The deflection of the free end of the bimetallic strips in a bimetallic thermometer with temperature is nearly__________________?





7. . Every metal has a ______________ temperature coefficient.





8. . The strip bends towards the metal which has a _______ temperature coefficient





9. . Which one of the following bimetallic thermometers is used for industrial application?





10. . The bimetallic thermometer is used in____________.





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