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Discussion :: Heating and Welding

  1. Which of the following devices is necessarily required for automatic temperature control in a furnace?

    2. A.

     Thermostat
    B.

     Thermocouple
    C.

     Autotransformer
    D.

     Heating elements of variable resistance material

    View Answer

    Workspace

    View Answer

    Answer : Option B

    Explanation :

    Explanation Not Provided

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