Workshop Technology In arc welding, the electric arc is produced between the work and the electrode by All of these Voltage Contact resistance Flow of current All of these Voltage Contact resistance Flow of current ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The directional solidification in casting can be improved by using Chills and chaplets Chills and padding Chills, chaplets and padding Chaplets and padding Chills and chaplets Chills and padding Chills, chaplets and padding Chaplets and padding ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The metal is subjected to mechanical working for Controlling the direction of flow lines Reducing original block into desired shape Refining grain size All of these Controlling the direction of flow lines Reducing original block into desired shape Refining grain size All of these ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology A jolt machine is used to Produce uniform sand hardness throughout the mould Produce uniform packing of sand in the mould Ram the sand harder at the pattern face with decreasing hardness towards the back of the mould Ram the sand harder at the back of the mould and softer on the pattern face Produce uniform sand hardness throughout the mould Produce uniform packing of sand in the mould Ram the sand harder at the pattern face with decreasing hardness towards the back of the mould Ram the sand harder at the back of the mould and softer on the pattern face ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The operation of cutting a cylindrical hole in a sheet of metal by the punch and die is called Blanking Shearing Punching Piercing Blanking Shearing Punching Piercing ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The process used to improve fatigue resistance of the metal by setting up compressive stresses in its surface, is known as Cold heading Extrusion Hot piercing Cold peening Cold heading Extrusion Hot piercing Cold peening ANSWER DOWNLOAD EXAMIANS APP