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Induction heating in Induction furnace relies on ______________ frequency.

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in Foundry and Forging by (110k points)
Induction heating in Induction furnace relies on ______________ frequency.

(a) Radio

(b) X-Rays

(c) Infrared

(d) Ultrasonic

The question was asked in unit test.

My question comes from Electric Arc Furnace in division Melting Furnaces of Foundry and Forging

1 Answer

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Best answer
Right choice is (a) Radio

The best explanation: Induction heating relies on radio frequency as it is a part of electromagnetic wave that portion of electromagnetic spectrum below infrared and microwave energy. Since heat is transferred to the product via electromagnetic wave, it never comes in direct contact with any flame, the indicator doesn’t get hot and there is no product contamination.

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