1. copper
2. brass
3. lead
4. silver
brass
1. B.C.C. crystalline structure
2. F.C.C. crystal structure
3. H.C.P. structure
4. a complex cubic structure
F.C.C. crystal structure
1. tin, lead and small percentage of antimony
2. tin and lead
3. tin, lead and silver
4. tin and copper
tin, lead and small percentage of antimony
1. 50 : 50
2. 30 : 70
3. 70 : 30
4. 40 : 60
30 : 70
1. chromium and nickel
2. nickel and molybdenum
3. aluminum and zinc
4. tungsten and sulphur
chromium and nickel
1. at the inlet
2. at the outlet
3. at the summit
4. at any point between inlet and outlet
at the summit
1. 50 : 20 : 20 : 10
2. 40 : 30 : 20 : 10
3. 50 : 20 : 10 : 20
4. 30 : 20 : 30 : 20
50 : 20 : 20 : 10
1. acidic
2. basic
3. neutral
4. brittle
neutral
1. 70% copper and 30% zinc
2. 90% copper and 10% tin
3. 85-92% copper and rest tin with little lead and nickel
4. 70-75% copper and rest tin
90\% copper and 10\% tin
1. gun metal
2. bronze
3. bell metal
4. babbit metal
babbit metal