Workshop Technology In TIG arc welding, the welding zone is shielded by an atmosphere of Argon gas Either (A) or (B) Helium gas None of these Argon gas Either (A) or (B) Helium gas None of these ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology Cores are used to Improve mould surface Form internal cavities in the casting Form a part of a green sand mould All of these Improve mould surface Form internal cavities in the casting Form a part of a green sand mould All of these ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The surface to be left unmachined is marked on the pattern by Yellow colour Red colour Black colour Blue colour Yellow colour Red colour Black colour Blue colour ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology In electric resistance welding, pressure applied varies from 5 to 10 MPa 1 to 5 MPa 25 to 55 MPa 10 to 25 MPa 5 to 10 MPa 1 to 5 MPa 25 to 55 MPa 10 to 25 MPa ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology Structural sections such as rails, angles, I-beams are made by Hot piercing Hot rolling Hot drawing Hot extrusion Hot piercing Hot rolling Hot drawing Hot extrusion ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The operation of producing cup shaped parts from flat sheet metal blanks by bending and plastic flow of metal, is known as Coining Squeezing Drawing Planishing Coining Squeezing Drawing Planishing ANSWER DOWNLOAD EXAMIANS APP