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Which of the following processes is responsible for the emission of particulate matter in the foundry?

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in Casting-Forming-Welding I by (687k points)
Which of the following processes is responsible for the emission of particulate matter in the foundry?

(a) Moulding

(b) Melting

(c) Dressing

(d) Shakeout

The question was posed to me during an interview.

This question is from Dust Measurement and Sampling in portion Foundry Environment Health & Dust Problem in Foundries of Casting-Forming-Welding I

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The correct answer is (b) Melting

Explanation: In the melting process of material in the foundry, particulate matter emissions in the form of dust and metal oxide fumes which generally varies according to the type of furnace, material to be melted and its characteristics. Most of the particulates like coke, rust and silica are produced by the cupola furnaces.

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