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The crucible inside the furnace is cooled by __________

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+1 vote
in Foundry and Forging by (110k points)
The crucible inside the furnace is cooled by __________

(a) Coolant

(b) Air

(c) Water

(d) Gas

The question was asked in an interview for job.

The origin of the question is Electric Arc Furnace in portion Melting Furnaces of Foundry and Forging

1 Answer

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by (736k points)
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Best answer
Correct answer is (c) Water

Best explanation: The crucible in which the metal is placed is made of stronger materials that can resist the required heat, and the electric coil itself cooled by a water system so that it does not overheat or melt. The induction coil is cool to touch but the heat that builds is to be cooled.

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