Basic Welding Process - 1. Soldering MCQ with Answers

Basic Welding Process - 1. Soldering MCQ with Answers

21) How much contact lapped surface maintained on standard joint?

Answer is:

2 to 10 times of metal thickness

22) Which type of soldering copper bit is used for tacking and soldering?

Answer is:

Point soldering copper bit

23) Which type of soldering copper bit used for electrical and radio assembly work?

Answer is:

Electric soldering copper bit

24) Which type of flux is made from animal fat?

Answer is:

Tallow

25) Which inorganic flux used for soldering brass?

Answer is:

Killed sprits