Workshop Technology In welding copper alloys with TIG arc welding Any one of the listed here Direct current with straight polarity is used Direct current with reversed polarity is used Alternating current is used Any one of the listed here Direct current with straight polarity is used Direct current with reversed polarity is used Alternating current is used ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology the most preferred process for casting gas turbine blades is Shell moulding Sand casting Die casting Investment moulding Shell moulding Sand casting Die casting Investment moulding ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology Tandem drawing of wires and tubes is necessary because It is not possible to reduce at one stage Accuracy in dimensions is not possible otherwise Surface finish improves after every drawing stage Annealing is needed between stages It is not possible to reduce at one stage Accuracy in dimensions is not possible otherwise Surface finish improves after every drawing stage Annealing is needed between stages 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 7 to 103 kN/m² 70 to 280 kN/m² 560 to 840 kN/m² 280 to 560 kN/m² 7 to 103 kN/m² 70 to 280 kN/m² ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology In sheet metal work, he cutting force on the tool can be reduced by Grinding the cutting edges sharp Providing shear on tool Increasing the hardness of die Increasing the hardness of tool Grinding the cutting edges sharp Providing shear on tool Increasing the hardness of die Increasing the hardness of tool ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology Spot welding is used for welding Butt joints in plates having 0.025 mm to 1.25 mm thickness Lap joints in plates having 0.025 mm to 1.25 mm thickness Butt joints in plates having thickness above 3 mm Lap joints in plates having thickness above 3 mm Butt joints in plates having 0.025 mm to 1.25 mm thickness Lap joints in plates having 0.025 mm to 1.25 mm thickness Butt joints in plates having thickness above 3 mm Lap joints in plates having thickness above 3 mm ANSWER DOWNLOAD EXAMIANS APP