Question

what is the reason for using aluminum in alloy duralumin
1-aluminum is brittle
2-it gives strength
3-it brings lightness
4-aluminum lowers melting point

Answer 1

Hey dear,

● Answer -
(3) It brings lightness

● Explanation -
- Duralumin is an alloy of aluminium, copper, magnesium & manganese.
- Aluminium is selected as major component of duralumin alloy because it brings lightness.
- Aluminium also provides strength to the alloy. But when asked about single best response, lightness is preferred option.
- Duralumin is used in aircraft industry because of its lightness.



Hope this helped you...