Workshop Technology The electrode tip diameter (d) in spot welding should be equal to (where t = Thickness of plate to be welded) 6 t √t 1.5 t 3 t 6 t √t 1.5 t 3 t ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology In arc welding, the temperature of heat produced by the electric arc is of the order of 3000°C to 4000°C 5000°C to 6000°C 4000°C to 5000°C 6000°C to 7000°C 3000°C to 4000°C 5000°C to 6000°C 4000°C to 5000°C 6000°C to 7000°C ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology Structural sections such as rails, angles, I-beams are made by Hot drawing Hot piercing Hot extrusion Hot rolling Hot drawing Hot piercing Hot extrusion Hot rolling ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The cross-section of a chisel is usually Hexagonal Octagonal Square Rectangular Hexagonal Octagonal Square Rectangular 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 positive terminal and the electrode holder to the negative terminal 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 is earthed Work is connected to the positive terminal and the electrode holder to the negative terminal 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 ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology In electric resistance welding, pressure applied varies from 25 to 55 MPa 1 to 5 MPa 5 to 10 MPa 10 to 25 MPa 25 to 55 MPa 1 to 5 MPa 5 to 10 MPa 10 to 25 MPa ANSWER DOWNLOAD EXAMIANS APP
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