Workshop Technology The cold working of metals is carried out Above the recrystallisation temperature At any temperature Below the recrystallisation temperature At the recrystallisation temperature Above the recrystallisation temperature At any temperature Below the recrystallisation temperature At the recrystallisation temperature ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology In spot welding, the distance between the nearest edge of the plate and centre of weld should be equal to 3d d 6d 1.5 d 3d d 6d 1.5 d ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology In welding copper alloys with TIG arc welding Direct current with reversed polarity is used Alternating current is used Any one of the listed here Direct current with straight polarity is used Direct current with reversed polarity is used Alternating current is used Any one of the listed here Direct current with straight polarity is used ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology During hot working of metals Grain structure of the metal is refined Porosity of the metal is largely eliminated Mechanical properties are improved due to refinement of grains All of the listed here Grain structure of the metal is refined Porosity of the metal is largely eliminated Mechanical properties are improved due to refinement of grains All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The surface to be left unmachined is marked on the pattern by Yellow colour Blue colour Red colour Black colour Yellow colour Blue colour Red colour Black colour ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology For welding plates of thickness more than 12.5 mm, its edges Do not require bevelling Should be bevelled to a single-V or U-groove Should have a double-V or U-groove on one side Should have a double-V or U-groove on both sides Do not require bevelling Should be bevelled to a single-V or U-groove Should have a double-V or U-groove on one side Should have a double-V or U-groove on both sides ANSWER DOWNLOAD EXAMIANS APP