Question

Duralumin is an alloy with composition:

P Al and Mg

Q Al, Cu and Mg

R Al and Mn

विकल्प

• Only Р

• Only Q

• Both P and R

• Only R

Answer 1

Only Q

Explanation:

Duralumin ia an alloy with composition of Aluminium (95%), Copper (4%) and Magnesium (0.5%).