Workshop Technology The welding set up is said to have straight polarity, when Work is connected to the negative terminal and the electrode holder to the positive terminal Work is connected to the negative terminal and the electrode holder is earthed Work is connected to the positive terminal and the electrode holder to the negative terminal Work is connected to the positive terminal and the electrode holder is earthed Work is connected to the negative terminal and the electrode holder to the positive terminal Work is connected to the negative terminal and the electrode holder is earthed Work is connected to the positive terminal and the electrode holder to the negative terminal Work is connected to the positive terminal and the electrode holder is earthed ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology In welding copper alloys with TIG arc welding 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 Direct current with reversed polarity is used Any one of the listed here Alternating current is used ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology In sheet metal blanking, shear is provided on punches and dies so that Press load is reduced Cut blanks is straight Good cut edge is obtained Warping of sheet is minimized Press load is reduced Cut blanks is straight Good cut edge is obtained Warping of sheet is minimized ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology In piercing operation, the clearance is provided on Either on punch or die depending upon designer's choice Die Punch Half on the punch and half on the die Either on punch or die depending upon designer's choice Die Punch Half on the punch and half on the die ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology A jolt machine is used to Ram the sand harder at the back of the mould and softer on the pattern face Produce uniform packing of sand in the mould Ram the sand harder at the pattern face with decreasing hardness towards the back of the mould Produce uniform sand hardness throughout the mould Ram the sand harder at the back of the mould and softer on the pattern face Produce uniform packing of sand in the mould Ram the sand harder at the pattern face with decreasing hardness towards the back of the mould Produce uniform sand hardness throughout the mould ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology For gas welding, the pressure desired at the welding torch for acetylene is 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 560 to 840 kN/m² 280 to 560 kN/m² ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS