1. 60% copper and 40%zine
2. 88% copper 10% tin and 2% zine
3. 70% copper and 30% zine
4. None of these
88\% copper 10\% tin and 2\% zine
1. Superior
2. Inferior
3. Same
4. None of these
Superior
1. An alloy similar to carbides
2. A non ferrous alloy containing nickel copper and chromium
3. A nickel and iron alloy having high permeability
4. None of these
A non ferrous alloy containing nickel copper and chromium
1. 68% nickel, 29% copper and 3% other constituents
2. 70% nickel, 30% chromium
3. 80% nickel, 14% chromium, 6% iron
4. None of these
68\% nickel, 29\% copper and 3\% other constituents
1. Copper and nickel
2. Copper and aluminum
3. Molybdenum and nickel
4. Nickel and aluminum
Molybdenum and nickel
1. Copper and nickel
2. Copper and aluminum
3. Nickel and molybdenum
4. Nickel and aluminum
Copper and nickel
1. Nickel, copper and zinc
2. Nickel, chromium and iron
3. Nickel and chromium
4. Nickel, chromium and copper
Nickel, chromium and iron
1. Nickel and chromium
2. Nickel, chromium and silver
3. Nickel, chromium and copper
4. Nickel, chromium and iron
Nickel, chromium and silver
1. More
2. Less
3. Same
4. None of these
More
1. 97.25% copper& 2.75% beryllium
2. 90% copper and 10% beryllium
3. 80% copper and 20% beryllium
4. None of these
97.25\% copper& 2.75\% beryllium