Workshop Technology In TIG arc welding, the welding zone is shielded by an atmosphere of None of these Argon gas Either (A) or (B) Helium gas None of these Argon gas Either (A) or (B) Helium gas ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology For gas welding, the pressure desired at the welding torch for acetylene is 560 to 840 kN/m² 7 to 103 kN/m² 70 to 280 kN/m² 280 to 560 kN/m² 560 to 840 kN/m² 7 to 103 kN/m² 70 to 280 kN/m² 280 to 560 kN/m² ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology Piercing is an operation of cutting A number of holes evenly spaced in a regular pattern on a sheet of metal A cylindrical hole in a sheet of metal by the punch and the die A flat sheet to the desired shape A hole (other than cylindrical) 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 cylindrical hole in a sheet of metal by the punch and the die A flat sheet to the desired shape A hole (other than cylindrical) in a sheet of metal by the punch and the die ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The parts of circular cross-section which are symmetrical about the axis of rotation are made by Hot drawing Hot spinning Hot extrusion Hot forging Hot drawing Hot spinning Hot extrusion Hot forging ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology For arc welding Alternating current with high frequency is used Alternating current with low frequency is used Direct current is used Any one of these Alternating current with high frequency is used Alternating current with low frequency is used Direct current is used Any one of these ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology According to Indian standards, the total numbers of tolerance grades are 18 8 12 20 18 8 12 20 ANSWER DOWNLOAD EXAMIANS APP