Workshop Technology In TIG arc welding, the welding zone is shielded by an atmosphere of None of these Either (A) or (B) Helium gas Argon gas None of these Either (A) or (B) Helium gas Argon gas ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology When the molten metal is fed in the cavity of a metallic mould by gravity, the method of casting is known as Centrifugal casting method Die casting method Slush casting method Permanent mould casting method Centrifugal casting method Die casting method Slush casting method Permanent mould casting method ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The surface to be left unmachined is marked on the pattern by Yellow colour Black colour Red colour Blue colour Yellow colour Black colour Red colour Blue colour ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology In arc welding, the electric arc is produced between the work and the electrode by Voltage Flow of current All of these Contact resistance Voltage Flow of current All of these Contact resistance ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology For arc welding Alternating current with low frequency is used Direct current is used Any one of these Alternating current with high frequency is used Alternating current with low frequency is used Direct current is used Any one of these Alternating current with high frequency is used ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology A moving mandrel is used in Tube drawing Metal cutting Wire drawing Forging Tube drawing Metal cutting Wire drawing Forging ANSWER DOWNLOAD EXAMIANS APP