37) The primary difficulty faced in employing laser beam welding process for welding copper is / are:
Answer is:
Related ISRO Technician-B Welder Question Paper - 2017 (Set -1) with Answer Key
Answer is:
Welding with light coated electrodes
39) Among the following, which type of electrode deposits a large amount of weld metal per unit time
Answer is:
Iron powder electrode
Answer is:
Slightly carburising
Answer is: