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Which of the following is not a source for entering phenols?

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in Casting-Forming-Welding I by (687k points)
Which of the following is not a source for entering phenols?

(a) Steel scrap

(b) Coke combustion product

(c) Sand binder

(d) Scrap iron

The question was asked during an online exam.

Question is taken from Foundry Environment Health and Safety in portion Foundry Environment Health & Dust Problem in Foundries of Casting-Forming-Welding I

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Best answer
Right answer is (a) Steel scrap

Explanation: There are many types of compounds which contain mainly phenolic components in them. These compounds are present in the foundry environment, which may cause damage to human health. Among the following, steel scrap is not a source for entering phenols.

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