Workshop Technology The oxyacetylene gas used in gas welding produce a flame temperature of 2100°C 2400°C 1800°C 3200°C 2100°C 2400°C 1800°C 3200°C ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The upsetting is a process of Increasing the cross-section of a bar Bending of a bar Reducing the cross-section of a bar Joining the two surfaces of metal under pressure after heating Increasing the cross-section of a bar Bending of a bar Reducing the cross-section of a bar Joining the two surfaces of metal under pressure after heating ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology In arc welding, the electric arc is produced between the work and the electrode by Flow of current Contact resistance Voltage All of these Flow of current Contact resistance Voltage All of these ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The current in electric resistance welding can be regulated by Changing the secondary turns of the transformer Any one of the listed here Changing the primary turns of the transformer Varying the input supply Changing the secondary turns of the transformer Any one of the listed here Changing the primary turns of the transformer Varying the input supply ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology An oxidising process used for aluminium and magnesium articles is called Sherardizing Parkerising Galvanizing Anodizing Sherardizing Parkerising Galvanizing Anodizing ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology Carburising flame is used to weld All of these Brass and bronze Hard surfacing materials such as stellite Steel, cast iron, copper, aluminium etc All of these Brass and bronze Hard surfacing materials such as stellite Steel, cast iron, copper, aluminium etc ANSWER DOWNLOAD EXAMIANS APP