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Cupola uses low grade coal as fuel.

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+1 vote
in Foundry and Forging by (110k points)
Cupola uses low grade coal as fuel.

(a) True

(b) False

I got this question during an internship interview.

This intriguing question originated from Cupola Furnace in division Melting Furnaces of Foundry and Forging

1 Answer

+1 vote
by (736k points)
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Right answer is (b) False

To elaborate: The fuel that is used for cupola is generally a very high grade low-sulphur coke, anthracite coal or carbon briquettes. These fuels produce a large amount of smoke when used for combustion but produce the amount of heat required for working of the cupola.

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