Steel is preferred over iron in construction of ships because

Options

A. melting point of steel is higher than Iron
B. steel is more uniform than Iron
C. steel does not rust
D. tensile strength of steel is not high

Answer

**Step-by-Step Solution:**

1. **Understanding the Materials**:
- Steel and iron are both metals used in construction. It's important to know their properties to understand why one is preferred over the other.

2. **Strength and Durability**:
- Steel is known for its high tensile strength and durability compared to iron. This means that steel can withstand greater forces and loads without breaking.

3. **Corrosion Resistance**:
- One of the main reasons steel is preferred over iron in ship construction is its resistance to corrosion. Iron tends to rust easily when exposed to moisture and air, which can weaken the structure over time.

4. **Cost-Effectiveness**:
- While both materials have their costs, steel often provides a better balance of strength, durability, and resistance to corrosion, making it a more cost-effective choice in the long run.

5. **Conclusion**:
- Therefore, steel is preferred over iron in the construction of ships primarily because steel does not rust easily, providing better longevity and safety for the ships.

---