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प्रश्न
Duralumin is used rather than pure aluminium in construction work. Why?
लघु उत्तर
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उत्तर
- Aluminium is weak and light, but duralumin is strong and light. Moist air has no effect on it either. Compared to pure aluminium, duralumin is up to six times stronger.
- It is corrosion-resistant and has high tensile strength.
Hence, duralumin is used rather than pure aluminium in construction work.
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