Workshop Technology In electric resistance welding, voltage required for heating is 11 to 20 volts 6 to 10 volts 50 to 100 volts 1 to 5 volts 11 to 20 volts 6 to 10 volts 50 to 100 volts 1 to 5 volts ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The cold chisels are made by Drawing Rolling Piercing Forging Drawing Rolling Piercing Forging ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The advantage of Thermit welding is that Results in a minimum problem with internal residual stresses All parts of the weld section are molten at the same time All of these Weld cools almost uniformly Results in a minimum problem with internal residual stresses All parts of the weld section are molten at the same time All of these Weld cools almost uniformly ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The cutting edge of a chisel should be Case hardened Hardened and tempered Hardened Tempered Case hardened Hardened and tempered Hardened Tempered ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The current in electric resistance welding can be regulated by Varying the input supply Changing the primary turns of the transformer Any one of the listed here Changing the secondary turns of the transformer Varying the input supply Changing the primary turns of the transformer Any one of the listed here Changing the secondary turns of the transformer ANSWER DOWNLOAD EXAMIANS APP
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