BASIC WELDING PROCESS 1 SOLDERING - Practice Mode

1) How much contact lapped surface maintained on standard joint?
Correct Answer: 2 to 10 times of metal thickness
2) Which type of soldering copper bit is used for tacking and soldering?
Correct Answer: Point soldering copper bit
3) Which type of soldering copper bit used for electrical and radio assembly work?
Correct Answer: Electric soldering copper bit
4) Which type of flux is made from animal fat?
Correct Answer: Tallow
5) Which inorganic flux used for soldering brass?
Correct Answer: Killed sprits
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