Workshop Technology The welding set up is said to have straight polarity, when Work is connected to the positive terminal and the electrode holder is earthed Work is connected to the negative 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 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 is earthed Work is connected to the negative terminal and the electrode holder to the positive terminal Work is connected to the positive terminal and the electrode holder to the negative terminal ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology Blanking and piercing operations can be performed simultaneously in a Progressive die Combination die Simple die Compound die Progressive die Combination die Simple die Compound die ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology In order to deliver molten metal from pouring basin to gate, a ________ is used. Riser None of these Core Sprue Riser None of these Core Sprue ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The purpose of a gate is to Feed the molten metal to the casting in order to compensate for the shrinkage Delivers molten metal from pouring basin to gate Act as a reservoir for the molten metal Delivers molten metal into the mould cavity Feed the molten metal to the casting in order to compensate for the shrinkage Delivers molten metal from pouring basin to gate Act as a reservoir for the molten metal Delivers molten metal into the mould cavity ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology When the molten metal is fed in the cavity of a metallic mould by gravity, the method of casting is known as Slush casting method Die casting method Centrifugal casting method Permanent mould casting method Slush casting method Die casting method Centrifugal casting method Permanent mould casting method ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology Piercing is an operation of cutting A flat sheet to the desired shape A cylindrical hole in a sheet of metal by the punch and the die A number of holes evenly spaced in a regular pattern on a sheet of metal A hole (other than cylindrical) in a sheet of metal by the punch and the die A flat sheet to the desired shape A cylindrical hole in a sheet of metal by the punch and the die A number of holes evenly spaced in a regular pattern on a sheet of metal A hole (other than cylindrical) in a sheet of metal by the punch and the die ANSWER DOWNLOAD EXAMIANS APP