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 For gas welding, the pressure desired at the welding torch for oxygen is 560 to 840 kN/m² 280 to 560 kN/m² 70 to 280 kN/m² 7 to 103 kN/m² 560 to 840 kN/m² 280 to 560 kN/m² 70 to 280 kN/m² 7 to 103 kN/m² ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology In piercing operation, the clearance is provided on Die Either on punch or die depending upon designer's choice Punch Half on the punch and half on the die Die Either on punch or die depending upon designer's choice Punch Half on the punch and half on the die ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The minimum size of a bloom is 10 cm × 10 cm 20 cm × 20 cm 5 cm × 5 cm 15 cm × 15 cm 10 cm × 10 cm 20 cm × 20 cm 5 cm × 5 cm 15 cm × 15 cm ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology In order to ram the sand harder at the back of the mould and softer on the pattern face, a ________ is used. Jolt machine Squeezing machine Stripper plate machine Sand slinger Jolt machine Squeezing machine Stripper plate machine Sand slinger ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The process of decreasing the cross-section of a bar and increasing its length, is called Peening Drawing down Upsetting Spinning Peening Drawing down Upsetting Spinning ANSWER DOWNLOAD EXAMIANS APP
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