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Electrical Engineering MCQ Question & Answer in PDF Download

Q.

In optical pyrometer temperature is measured by

  • APhotocell principle
  • BThermocouple effect
  • CComparing the brightness of the source with the brightness of a standard source
  • DNone of the above 
Correct Answer : (C)

Comparing the brightness of the source with the brightness of a standard source
Hints :

In optical pyrometer temperature is measured by Comparing the brightness of the source with the brightness of a standard source.

Electrical Engineering MCQ Question & Answer in PDF Download
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