Question

Pig iron from blast furnace contains ________ phosphorous.

(a) 0.5%

(b) 1%

(c) 5%

(d) 3%

This question was addressed to me during an interview.

I'd like to ask this question from Manufacture of Tinplate in division Metal Packaging Materials of Food Packaging Technology

Answer 1

Correct choice is (b) 1%

To explain: Pig iron from blast furnace contains 1% phosphorous. Phosphorus generally contributes to the increase in eutectic temperature.