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A metal bar may be heated electronically by-
  • a)
    Emission heating
  • b)
    Dielectric heating
  • c)
    Induction heating
  • d)
    Conductive heating
Correct answer is option 'C'. Can you explain this answer?
Verified Answer
A metal bar may be heated electronically by-a)Emission heatingb)Diele...
Induction heating is often used to heat an item causing it to expand prior to fitting or assembly. Bearings are routinely heated in this way using utility frequency (50/60 Hz) and a laminated steel transformer type core passing through the centre of the bearing.
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A metal bar may be heated electronically by-a)Emission heatingb)Dielectric heatingc)Induction heatingd)Conductive heatingCorrect answer is option 'C'. Can you explain this answer?
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