Alloys and Alloying Properties

Q.

Which of the following is an alloy of copper and zinc?

1. (a) Brass

2. (b) Bronze

3. (c) Duralumin

4. (d) Magnalium

Q.

Name first discovered alloy. Give its composition also.

Q.

Name the following

Two metals that form Magnalium

Q.

Brass contains:

1. $\mathrm{Cu}$ and $\mathrm{Sn}$

2. $\mathrm{Cu}$ and $\mathrm{Ni}$

3. $\mathrm{Cu}$ and $\mathrm{Zn}$

4. $\mathrm{Mg}$ and $\mathrm{Al}$

Q. In gun barrel the steel used is

1. Fe – Mn
2. Fe – Cr
3. Fe – W
4. Ni – Mo