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Grey pig is produced when the blast furnace is not provided with sufficient fuel while the white pig is produced when the blast furnace is provided sufficiently with fuel.

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Grey pig is produced when the blast furnace is not provided with sufficient fuel while the white pig is produced when the blast furnace is provided sufficiently with fuel.

(a) True

(b) False

I have been asked this question during an online exam.

The above asked question is from Ferrous Metals in section Air Conditioning, Thermal Insulation, Stones & Ferrous Metals of Construction & Building Materials

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Right option is (b) False

The explanation: The white pig is produced when the blast furnace is not provided with sufficient fuel while the grey pig is produced when the blast furnace is provided sufficiently with fuel. White pig is used in the manufacturing of wrought iron.

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