Chapter 8 THERMOCOUPLE MCQs

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1. . A junction / joint of two dissimilar metal is called _______.





2. . The operation of a Thermocouple is based on _______.





3. . Which of the following is an active transducer?





4. . What happens when heat is applied to the joined ends of wires of thermocouple?





5. . ________ converts change in temperature of its metallic junction to electrical voltage.





6. . Identify the thermocouple type with the highest temperature limit from those listed here:





7. . The negative lead of a thermocouple is always colored:





8. . When the reference junction is the same temperature as the measurement junction in a thermocouple circuit, the output voltage is ________.





9. . Thermocouples are used for the measurement of





10. . The series & parallel groups of thermocouples are called ________.





11. . Thermocouple extension wire may be readily distinguished from regular thermocouple-grade wire by:





12. . A type J thermocouple is made of the following metals:





13. . Thermopile is used for the measurement of ___________________?





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