engineering recuitment BARC Stipendiary Trainee Category I 2023 Mock Test Production Engineering (Manufacturing) Joining Soldering and Brazing
What is the composition of 63/37 solder which melts below 420°C?
1
63% Tin and 37% Lead
2
63% Lead and 37% Tin
3
63% Copper and 37% Zinc
4
63% Zinc and 37% Copper