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Coreless Induction Furnace operates on ___________

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in Foundry and Forging by (110k points)
Coreless Induction Furnace operates on ___________

(a) Transformer

(b) Induction motor

(c) Generator

(d) Motor

The question was asked in a job interview.

This interesting question is from Electric Arc Furnace in portion Melting Furnaces of Foundry and Forging

1 Answer

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Right answer is (a) Transformer

For explanation I would say: Coreless induction furnace consists of two types of coils; primary and secondary coil. The wall of the container forms the secondary winding and the iron core links the primary as well as the secondary coil. This is the principle of the transformer as well as induction furnace.

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