most important welding question paper weldingtheory previous year
most important welding question paper weldingtheory
1. Which is less susceptible to arc blow ? a. AC b. DC c. both d. none of these 2. Melting point of Copper a. 1030°C b. 1…
1. Which is less susceptible to arc blow ? a. AC b. DC c. both d. none of these 2. Melting point of Copper a. 1030°C b. 1…