WELDING - Practice Mode

1) What is the tool used for holding hot metals?
Correct Answer: Tongs
Explanation:

The temperature at which ice melts, or the melting point of ice, is 0 degrees Celsius (0 °C) or 32 degrees Fahrenheit (32 °F). This is the temperature at which the solid form of water (ice) changes to the liquid form (water).

2) What is the safety device used during arc welding?
Correct Answer: Hand screen
3) What is the storage capacity of oxygen cylinder?
Correct Answer: 7 m<sup>3</sup>
4) What is the flame temperature range of oxy acetylene gas flame?
Correct Answer: 3100Degree Centigrade to 3300Degree Centigrade
5) What is the percentage range of silver in copper to copper pipes brazing rod?
Correct Answer: 35 to 45%