Which of the following statement is incorrect about duralumin?

1.	Which of the following statement is incorrect about duralumin?
A.	It is prone to age hardening
B.	It can he forged
C.	It has good machining properties
D.	It is lighter than pure aluminium.
Answer» D. It is lighter than pure aluminium.

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Which of the following statement is incorrect about duralumin?

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