WELDING - Practice Mode

1) Which is the welding method if the filler rod only is fused?
Correct Answer: Non fusion
2) Which material is used to make electrode holder for welding?
Correct Answer: Copper alloy
3) Which flame is used for welding brass?
Correct Answer: Oxidising flame
4) Which gas is produced by the chemical reaction of carbide and water?
Correct Answer: Acetylene
5) What is the ratio of oxygen to acetylene in neutral flame for brazing?
Correct Answer: 01:01
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