WELDING - Practice Mode

1) What is the tool used for holding hot metals?

Tongs Spanner Pipe vice Bench vice

Correct Answer: Tongs

2) What is the safety device used during arc welding?

Screw clamp Hand screen Electrode holder Lugs for welding

Correct Answer: Hand screen

3) What is the storage capacity of oxygen cylinder?

3 m3 5 m3 6 m3 7 m3

Correct Answer: 7 m3

4) What is the flame temperature range of oxy acetylene gas flame?

1800Degree Centigrade to 2200Degree Centigrade 2400Degree Centigrade to 2700Degree Centigrade 2700Degree Centigrade to 2800Degree Centigrade 3100Degree Centigrade to 3300Degree Centigrade

Correct Answer: 3100Degree Centigrade to 3300Degree Centigrade

5) What is the percentage range of silver in copper to copper pipes brazing rod?

20 to 35% 35 to 45% 45 to 60% 60 to 100%

Correct Answer: 35 to 45%

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