Workshop Technology In welding copper alloys with TIG arc welding Direct current with reversed polarity is used Any one of the listed here Direct current with straight polarity is used Alternating current is used Direct current with reversed polarity is used Any one of the listed here Direct current with straight polarity is used Alternating current is used ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology A moving mandrel is used in Metal cutting Forging Tube drawing Wire drawing Metal cutting Forging Tube drawing Wire drawing ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology In arc welding, the temperature of heat produced by the electric arc is of the order of 3000°C to 4000°C 4000°C to 5000°C 5000°C to 6000°C 6000°C to 7000°C 3000°C to 4000°C 4000°C to 5000°C 5000°C to 6000°C 6000°C to 7000°C ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The edge of a steel plate cut by oxygen cutting will get hardened when the carbon content is More than 0.3 percent Less than 0.1 percent Less than 0.3 percent Anywhere between 0.1 to 1 percent More than 0.3 percent Less than 0.1 percent Less than 0.3 percent Anywhere between 0.1 to 1 percent ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology During hot working of metals Grain structure of the metal is refined Mechanical properties are improved due to refinement of grains All of the listed here Porosity of the metal is largely eliminated Grain structure of the metal is refined Mechanical properties are improved due to refinement of grains All of the listed here Porosity of the metal is largely eliminated ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The welding process used in joining mild steel shanks to high speed drills, is Upset butt welding Seam welding Flash butt welding Spot welding Upset butt welding Seam welding Flash butt welding Spot welding ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS