In TIG arc welding the welding zone is shielded by on atmosphere of....?

a) Helium gas. b) Argon gas c) either a or b d). none of these

  • Bobbili
  • 06 मार्च
  • 2961 दृश्य
  • 8 उत्तर
Your Answer

b

0
group a iti trades
मॉक परीक्षण अभ्यास के लिए
group a iti trades