Workshop Technology The oxyacetylene gas used in gas welding produce a flame temperature of 2100°C 3200°C 1800°C 2400°C 2100°C 3200°C 1800°C 2400°C ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology When filing soft metals, the file teeth are clogged with minute particles of metal. The file should be cleaned by Washing it with water Using file card Rubbing on wood Washing it with dilute acid Washing it with water Using file card Rubbing on wood Washing it with dilute acid ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology In die casting, machining allowance is Very large Not provided Large Small Very large Not provided Large Small ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology Tandem drawing of wires and tubes is necessary because 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 It is not possible to reduce at one stage Accuracy in dimensions is not possible otherwise ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology In welding copper alloys with TIG arc welding Direct current with reversed polarity is used Any one of the listed here Alternating current is used Direct current with straight polarity is used Direct current with reversed polarity is used Any one of the listed here Alternating current is used Direct current with straight polarity is used ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology In sheet metal blanking, shear is provided on punches and dies so that Warping of sheet is minimized Good cut edge is obtained Cut blanks is straight Press load is reduced Warping of sheet is minimized Good cut edge is obtained Cut blanks is straight Press load is reduced ANSWER DOWNLOAD EXAMIANS APP
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