Q The process of joining metal without the use of heat?
A. Cold welding
B. Cold welding
C. Plasma arc welding
D. All of above
Explanation
Cold welding- done by hammering or pressure
Eg- gold foil filling
Spot welding- the process of joining metal pieces by combination of heat & pressure.
A. Cold welding B. Cold welding C. Plasma arc welding D. All of above Explanation
Cold welding- done by hammering or pressure
Eg- gold foil filling
Spot welding- the process of joining metal pieces by combination of heat & pressure.