General Science - Physics (Basics)
Which alloy is primarily used in making railway tracks due to its hardness and durability?
Which alloy is primarily used in making railway tracks due to its hardness and durability?
medium Q4 of 15
Step-by-Step Solution
Step 1: Understand the concept
The question tests knowledge of alloys used in heavy-duty applications like railway tracks.Step 2: Apply the concept
Steel, an alloy of iron and carbon, is known for its hardness and durability, making it suitable for railway tracks. Brass and bronze are softer alloys, and duralumin is lightweight for aircraft.Final Answer:
Steel → Option DQuick Check:
Alloy for railway tracks = Steel ✅
Quick Trick: Steel's hardness comes from carbon content.
Common Mistakes:
- Confusing brass or bronze as strong enough for railway tracks.
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