Workshop Technology In TIG arc welding, the welding zone is shielded by an atmosphere of Either (A) or (B) None of these Helium gas Argon gas Either (A) or (B) None of these Helium gas Argon gas ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The temperature at which the new grains are formed in the metal is called Upper critical temperature Lower critical temperature Recrystallisation temperature Eutectic temperature Upper critical temperature Lower critical temperature Recrystallisation temperature Eutectic temperature ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology Which of the following methods can be used for manufacturing 2 meter long seamless metallic tubes? Drawing Rolling Extrusion and rolling Extrusion Drawing Rolling Extrusion and rolling Extrusion ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The operation of cutting of a flat sheet to the desired shape is called Piercing Shearing Punching Blanking Piercing Shearing Punching Blanking ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The welding process used in joining mild steel shanks to high speed drills, is Upset butt welding Seam welding Spot welding Flash butt welding Upset butt welding Seam welding Spot welding Flash butt welding ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The increase in hardness due to cold working, is called Induction hardening Age hardening Flame hardening Work hardening Induction hardening Age hardening Flame hardening Work hardening ANSWER DOWNLOAD EXAMIANS APP
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