1. more
2. less
3. same
4. none of these
more
1. spot welding
2. seam welding
3. projection welding
4. upset butt welding
upset butt welding
1. Projection welding
2. Percussion welding
3. Pulsed TIG welding
4. Plasma arc welding
Projection welding
1. oxygen cylinder
2. acetylene cylinder
3. hydrogen cylinder
4. none of these
oxygen cylinder
1. oxygen cylinder
2. acetylene cylinder
3. hydrogen cylinder
4. none of these
acetylene cylinder
1. fore-hand welding
2. back-hand welding
3. vertical welding
4. none of these
fore-hand welding
1. fore-hand welding
2. back-hand welding
3. vertical welding
4. none of these
vertical welding
1. fore-hand welding
2. back-hand welding
3. vertical welding
4. none of these
vertical welding
1. 3 mm
2. 6 mm
3. 8 mm
4. 16 mm
16 mm
1. right ward technique
2. carburising flame
3. neutral flame
4. both (a) and (b)
both (a) and (b)