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प्रश्न
The reason for using aluminium in the alloy duralumin is:
विकल्प
Al is brittle.
Al gives strength.
Al brings lightness.
Al lowers melting point.
MCQ
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उत्तर
Al is brittle.
Explanation:
An alloy of aluminium, duralumin is used in making aircraft as it is light and corrosion-resistant.
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