10) Weaving in an arc welding refers to
Answer is:
side to side motion of the electrode at right angles to the direction of welding
Related ISRO Technician-B Welder Question Paper - 2016 (Set -1) with Answer Key
Answer is:
Plasma arc welding
Answer is:
Borax
Explanation:
Brazing is essentially similar to soldering but it gives a much stronger joint than soldering. The principal differences is the use of a harder filler material, commercially known as spelter which fuses at some temperature above red heat, but below the melting temperature of the parts to be joined.
In Brazing most commonly used flux is “Borax” for ferrous and non-ferrous metals. It removes rust and prevents atmospheric effect, when brazing operation is going on