1. Iron Ore is melted. Limestone is fluxing material which is added. The slag is removed. Coke is burnt to heat the ore.
2. Rolling, pressure, casting and forging
3. Molten materials are poured into moulds called pigs
4. Pig Iron is further purified by melting and oxidising the impurities. Manganese, nickel, and chromium are added.
5. Transport of raw material to plant.
Options
A. 1 - 2 - 3 -4 - 5
B. 2 - 3 - 1 - 4 - 5
C. 5 - 1 - 3 - 4 - 2
D. 5 - 4 - 3 - 2 - 1
Answer:
So the correct option is (c) - 5 - 1 - 3 - 4 - 2
Explanation
Thus, the correct order is
- Transport of raw material to plant. This is Statement 5.
- Iron Ore is melted. Limestone is fluxing material which is added. The slag is removed. Coke is burnt to heat the ore . This is Statement 1.
- Molten materials are poured into moulds called pigs. This is Statement 3.
- Pig Iron is further purified by melting and oxidising the impurities. Manganese, nickel, and chromium are added. This is Statement 4 .
- Rolling, pressure, casting and forging. This is Statement 2.
