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).
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%