Volume of blast furnace slag is about __________ times the volume of hot metal (pig iron) of the same weight

Review the verified answer and explanation for this DemoPaper-Pakistan past-paper question on CampusFin.

Volume of blast furnace slag is about __________ times the volume of hot metal (pig iron) of the same weight Answer: 3

Question context

This question is part of ⚗️ Chemical Engineering within the broader 🛠️ Engineering Essentials subject and appears in the DemoPaper-Pakistan preparation collection. Reviewing the answer together with nearby questions helps reinforce the underlying concept and identify how it may appear in competitive exams.