Soldering MCQ with Answers

Soldering MCQ with Answers

1) In the process of soldering, you have noticed solder not sticking to sufficiently heated copper soldering bit when rubbed over solder bar. What step do you take to overcome the problem ?

Answer is:

Clean the bit thoroughly

Explanation:

.

2) The element used as a main constituent along with lead for soft soldering along with lead for soft soldering is

Answer is:

Tin

3) Soft soldering is generally done

Answer is:

Bellow 450 Degree Centigrade

4) A soldered joint is

Answer is:

Weaker than brazing