railway RRB JE (CBT I + CBT II) Mock Test 2024 Engineering Materials Science Structure and Properties of Engineering Materials Properties of Materials
Gun metal which is used in Journal bearing contains
1
88% Cu, 10% Sn, 2% Zn
2
80% Cu, 10% Zn, 10% Al
3
85% Cu, 5% Mg, 10% Al
4
85% Cu, 5% Sn, 10% Pb