Workshop Technology In welding copper alloys with TIG arc welding Alternating current is used Direct current with reversed polarity is used Direct current with straight polarity is used Any one of the listed here Alternating current is used Direct current with reversed polarity is used Direct current with straight polarity is used Any one of the listed here ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The process of increasing the cross-section of a bar at the expense of its length, is called Peening Upsetting Spinning Drawing down Peening Upsetting Spinning Drawing down ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The minimum size of a bloom is 15 cm × 15 cm 5 cm × 5 cm 20 cm × 20 cm 10 cm × 10 cm 15 cm × 15 cm 5 cm × 5 cm 20 cm × 20 cm 10 cm × 10 cm ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology Seam welding is a Continuous spot welding process Multi-spot welding process Arc welding process Process used for joining round bars Continuous spot welding process Multi-spot welding process Arc welding process Process used for joining round bars ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The sand used for making cores is Green sand Oil sand Dry sand Loam sand Green sand Oil sand Dry sand Loam sand ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The hot working of metals is carried out Above the recrystallisation temperature Below the recrystallisation temperature At the recrystallisation temperature At any temperature Above the recrystallisation temperature Below the recrystallisation temperature At the recrystallisation temperature At any temperature ANSWER DOWNLOAD EXAMIANS APP
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