Workshop Technology The increase in hardness due to cold working, is called Age hardening Work hardening Induction hardening Flame hardening Age hardening Work hardening Induction hardening Flame hardening ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology In arc welding, the electric arc is produced between the work and the electrode by Flow of current Voltage All of these Contact resistance Flow of current Voltage All of these Contact resistance ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The shrinkage allowance for cast iron pattern is 26 mm/m 10 mm/m 16 mm/m 20 mm/m 26 mm/m 10 mm/m 16 mm/m 20 mm/m ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The cold chisels are made from High speed steel Cast iron Cast tool steel Mild steel High speed steel Cast iron Cast tool steel Mild steel ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology In backhand welding, the angle between the welding torch and the work is kept as 40°-50° 50°-60° 30°-40° 60°-70° 40°-50° 50°-60° 30°-40° 60°-70° 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 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 Work is connected to the negative terminal and the electrode holder is earthed ANSWER DOWNLOAD EXAMIANS APP