engineering recuitment DRDO Technician A 2022 Mock Test Series (Tier I) Fitter Joining Brazing and Soldering
Which of the following composition is correct for Common Solder, which is used for general sheet metal applications
a) 50% Tin & 50% Lead
b) 60% Tin & 40% Lead
c) 70% Tin & 30% Lead
d) 40% Tin & 60% Lead
1
a
2
b
3
c
4
d