1. 1/√2
2. 1
3. √2
4. 2
1
1. Increasing welding current and welding speed
2. Increasing welding current and decreasing welding speed
3. Decreasing welding current and welding speed
4. Decreasing welding current and increasing welding speed
Increasing welding current and decreasing welding speed
1. 5
2. 10
3. 15
4. 20
10
1. 10Amp
2. 100Amp
3. 1000Amp
4. 10,000Amp
10,000Amp
1. Gas material arc welding
2. Submerged arc welding
3. Gas tungsten are welding
4. Flux coated arc welding
Gas tungsten are welding
1. Spray transfer
2. Short circuiting type of transfer
3. Globular transfer
4. Droplet transfer
Droplet transfer
1. Continuously decrease
2. First decreases and then increases
3. Continuously increases
4. First increases and then decreases
First increases and then decreases
1. Heat affected zone
2. Total energy consumption
3. Total time of welding
4. Welding stresses
Total time of welding
1. butt
2. fillet
3. lap
4. spot
lap
1. cellulose
2. acidic
3. rutile
4. oxide
rutile