1. brass
2. copper
3. bronze
4. mild steel
mild steel
1. evapotation
2. oxidation
3. burning
4. intensive oxidation
intensive oxidation
1. Non-combustible electrode in combination with helium and d.c.current
2. Combustible electrode and argon in combination with d.c.current
3. Straight polarity d.c. current
4. Carbon dioxide, because of its excellent penetration and high speed
Straight polarity d.c. current
1. 0.5:1
2. 0.9:1
3. 1:1
4. 1:1.2
0.9:1
1. steel
2. copper and brass
3. aluminium, stainless steel, zine die castings nickel, model
4. carburized steel
aluminium, stainless steel, zine die castings nickel, model
1. 30 0C
2. 450C
3. 600 C
4. 900C
30 0C
1. Operation research
2. Linear programming
3. Network analysis
4. Queuing theory
Linear programming
1. Relation between factors must be linear(positive)
2. Relation between factors must be linear(negative)
3. Both (a) or (b)
4. Only one factor should change at a time, other remaining constant
Both (a) or (b)
1. Iron and steel
2. Food processing
3. Oil and chemical
4. Banking
5. All of these
All of these
1. Value analysis
2. Operation research
3. Linear programming
4. Model analysis
Linear programming