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 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 negative terminal and the electrode holder is earthed 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 positive terminal and the electrode holder to the negative terminal ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The cold working of metals is carried out At the recrystallisation temperature Below the recrystallisation temperature At any temperature Above the recrystallisation temperature At the recrystallisation temperature Below the recrystallisation temperature At any temperature Above the recrystallisation temperature ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology A pattern maker's shrinkage rule considers Only shrinkage allowance All pattern allowances All materials of the pattern All materials to be cast Only shrinkage allowance All pattern allowances All materials of the pattern All materials to be cast ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology In arc welding, the temperature of heat produced by the electric arc is of the order of 6000°C to 7000°C 5000°C to 6000°C 3000°C to 4000°C 4000°C to 5000°C 6000°C to 7000°C 5000°C to 6000°C 3000°C to 4000°C 4000°C to 5000°C ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The oxygen cylinder is usually painted with Black colour White colour Yellow colour Maroon colour Black colour White colour Yellow colour Maroon colour ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology Cold working of metal increases Hardness Yield strength All of these Tensile strength Hardness Yield strength All of these Tensile strength ANSWER DOWNLOAD EXAMIANS APP