Tag: drdo tech a paper

CEPTAM Welder Exam Model Paper |DRDO CEPTAM Technician Welder Model Paper In an arc welding process, the three variables to be essentially controlled to obtain a satisfactory weldment are (a) Welding current, voltage and speed (b) welding current, voltage and arc length (c) Welding arc length and speed (d) voltage, arc length and speed  In…