Workshop Technology In TIG arc welding, the welding zone is shielded by an atmosphere of Argon gas None of these Either (A) or (B) Helium gas Argon gas None of these Either (A) or (B) Helium gas ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology During hot working of metals Mechanical properties are improved due to refinement of grains Porosity of the metal is largely eliminated All of the listed here Grain structure of the metal is refined Mechanical properties are improved due to refinement of grains Porosity of the metal is largely eliminated All of the listed here Grain structure of the metal is refined ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology In submerged arc welding, an arc is produced between a Carbon electrode and the work Bare metal electrode and the work Two tungsten electrodes and the work Metal electrode and the work Carbon electrode and the work Bare metal electrode and the work Two tungsten electrodes and the work Metal electrode and the work ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology In welding magnesium with TIG arc welding, direct current with ________ is used. Reversed polarity Straight polarity None of these Both (A) and (B) Reversed polarity Straight polarity None of these Both (A) and (B) ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology A diamond pointed chisel is used for cutting Key-ways V-shaped grooves Grooves Flat surfaces Key-ways V-shaped grooves Grooves Flat surfaces ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology For smoothing and cleaning out depressions in the mould, a ________ is used. Swab Lifter Gagger Slick Swab Lifter Gagger Slick ANSWER DOWNLOAD EXAMIANS APP