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Electrical Engineering MCQ Question & Answer in PDF Download

Q.

Which devices is necessarily required for automatic temperature control in a furnace?

  • AThermostat
  • BThermocouple
  • CAuto-transformer
  • DHeating elements of variable resistance material
Correct Answer : (B)

Thermocouple
Hints :

Thermocouple is necessarily required for automatic temperature control in a furnace.

Electrical Engineering MCQ Question & Answer in PDF Download
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