1. Silicon and sulphur
2. Phosphorus, lead and sulphur
3. Sulphur, graphite and aluminum
4. Phosphorus and aluminum
Phosphorus, lead and sulphur
1. 0.05 to 0.20%
2. 0.20 to 0.45%
3. 0.45 to 0.55%
4. 0.55 to 1.0%
0.45 to 0.55\%
1. 0.2%
2. 0.5%
3. 0.8%
4. 1.0%
1.0\%
1. Below 0.5%
2. Below 1%
3. Above 1%
4. Above 2.2%
Above 1\%
1. Copper
2. Steel
3. Lead
4. Silver
Steel
1. Chromium
2. Nickel
3. Aluminum
4. Tungsten
Chromium
1. α=β=900=γ=1200
2. α=β=γ≠900
3. α=β=γ=900
4. α=β=900≠γ
α=β=γ=900
1. 1000 kg and 1180
2. 1400 kg and 1180
3. 1500 kg and 1200
4. 1400 kg and 1200
1400 kg and 1200
1. Cubic
2. Tetragonal
3. Orthogonal
4. All these
All these
1. 2
2. 4
3. 6
4. None of these
4