Workshop Technology The welding set up is said to have straight polarity, when 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 Work is connected to the negative terminal and the electrode holder to the positive terminal ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology For gas welding, the pressure desired at the welding torch for oxygen 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
Workshop Technology The operation of cutting of a flat sheet to the desired shape is called Shearing Blanking Punching Piercing Shearing Blanking Punching Piercing ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The shrinkage allowance for cast iron pattern is 16 mm/m 20 mm/m 26 mm/m 10 mm/m 16 mm/m 20 mm/m 26 mm/m 10 mm/m ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology Which of the following welding method uses a pool of molten metal? Carbon arc welding MIG arc welding Submerged arc welding TIG arc welding Carbon arc welding MIG arc welding Submerged arc welding TIG arc welding ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The brass and bronze are welded by _________ flame. Carburising Oxidizing Neutral All of these Carburising Oxidizing Neutral All of these ANSWER DOWNLOAD EXAMIANS APP