1. 10000 C
2. 35000 C
3. 55000 C
4. 80000C
35000 C
1. current
2. voltage
3. electrical energy
4. constant resistance
constant resistance
1. 1:1
2. 3:1
3. 1:3
4. None of these
3:1
1. mild steel
2. stainless steel
3. carbon steel
4. aluminium
aluminium
1. 300
2. 450
3. 600
4. 700
700
1. TIG
2. MIG
3. Thermit
4. Laser
MIG
1. Gas
2. Resistance
3. Thermit
4. Arc
Arc
1. a recent welding technique
2. used weld hard materials
3. phenomenon of occurrence of splatter because magnetic fields created in d.c. arc welding
4. of importance during striking of arc
phenomenon of occurrence of splatter because magnetic fields created in d.c. arc welding
1. half the diameter of electrode rod
2. rod diameter
3. twice the rod diameter
4. 2.5 times the road diameter
rod diameter
1. work thickness
2. arc gap
3. electrode rod thickness
4. other consideration
electrode rod thickness