Workshop Technology The process of decreasing the cross-section of a bar and increasing its length, is called Drawing down Peening Upsetting Spinning Drawing down Peening Upsetting Spinning ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology In arc welding, the temperature of heat produced by the electric arc is of the order of 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 3000°C to 4000°C 4000°C to 5000°C ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology Tandem drawing of wires and tubes is necessary because It is not possible to reduce at one stage Annealing is needed between stages Surface finish improves after every drawing stage Accuracy in dimensions is not possible otherwise It is not possible to reduce at one stage Annealing is needed between stages Surface finish improves after every drawing stage Accuracy in dimensions is not possible otherwise ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology In a hot chamber die casting machine Nonferrous alloys with high melting temperature are casted Ferrous alloys with low melting temperature are casted Ferrous alloys with high melting temperature are casted Nonferrous alloys with low melting temperature are casted Nonferrous alloys with high melting temperature are casted Ferrous alloys with low melting temperature are casted Ferrous alloys with high melting temperature are casted Nonferrous alloys with low melting temperature are casted ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology In welding copper alloys with TIG arc welding 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 Alternating current is used ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology A moving mandrel is used in Forging Wire drawing Metal cutting Tube drawing Forging Wire drawing Metal cutting Tube drawing ANSWER DOWNLOAD EXAMIANS APP
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