Workshop Technology In arc welding, the electric arc is produced between the work and the electrode by All of these Voltage Contact resistance Flow of current All of these Voltage Contact resistance Flow of current ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology In backhand welding, the angle between the welding torch and the work is kept as 30°-40° 40°-50° 50°-60° 60°-70° 30°-40° 40°-50° 50°-60° 60°-70° ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The increase in hardness due to cold working, is called Work hardening Age hardening Induction hardening Flame hardening Work hardening Age hardening Induction hardening Flame hardening ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology In average work, the tolerance produced by investment casting method is ±0.05 mm +0.2 mm +05 mm +1 mm ±0.05 mm +0.2 mm +05 mm +1 mm ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The electrode tip diameter (d) in spot welding should be equal to (where t = Thickness of plate to be welded) 3 t √t 1.5 t 6 t 3 t √t 1.5 t 6 t ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology Most of the oxyacetylene welding is done with All of these Oxidizing flame Neutral flame Carburising flame All of these Oxidizing flame Neutral flame Carburising flame ANSWER DOWNLOAD EXAMIANS APP