Workshop Technology In welding copper alloys with TIG arc welding Direct current with straight polarity is used Any one of the listed here Direct current with reversed polarity is used Alternating current is used Direct current with straight polarity is used Any one of the listed here Direct current with reversed polarity is used Alternating current is used ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The cold working of metals is carried out Above the recrystallisation temperature Below the recrystallisation temperature At any temperature At the recrystallisation temperature Above the recrystallisation temperature Below the recrystallisation temperature At any temperature At the recrystallisation temperature ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology In order to produce uniform packing of sand in the moulds, a _________ is used. Jolt machine Sand slinger Squeezing machine Stripper plate machine Jolt machine Sand slinger Squeezing machine Stripper plate machine ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The increase in hardness due to cold working, is called Age hardening Flame hardening Induction hardening Work hardening Age hardening Flame hardening Induction hardening Work hardening ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The cross-section of a chisel is usually Rectangular Square Octagonal Hexagonal Rectangular Square Octagonal Hexagonal ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology A casting defect which results in general enlargement of a casting is known as Shift Swell Scab Sand wash Shift Swell Scab Sand wash ANSWER DOWNLOAD EXAMIANS APP