Workshop Technology Piercing is an operation of cutting A number of holes evenly spaced in a regular pattern on a sheet of metal A hole (other than cylindrical) in a sheet of metal by the punch and the die A cylindrical hole in a sheet of metal by the punch and the die A flat sheet to the desired shape A number of holes evenly spaced in a regular pattern on a sheet of metal A hole (other than cylindrical) in a sheet of metal by the punch and the die A cylindrical hole in a sheet of metal by the punch and the die A flat sheet to the desired shape ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology If an aluminium pattern made from a wooden master pattern is to be used for grey iron castings, then the shrinkage allowance allowed on the wooden pattern should be 20 mm/m 10 mm/m 26 mm/m 16 mm/m 20 mm/m 10 mm/m 26 mm/m 16 mm/m ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The increase in hardness due to cold working, is called Age hardening Work hardening Induction hardening Flame hardening Age hardening Work hardening Induction hardening Flame hardening ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology Metal patterns are used for Complicated castings Large scale production of castings Large castings Small castings Complicated castings Large scale production of castings Large castings Small castings ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The cold chisels are made by Forging Piercing Rolling Drawing Forging Piercing Rolling Drawing ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology In sheet metal work, he cutting force on the tool can be reduced by Providing shear on tool Increasing the hardness of tool Increasing the hardness of die Grinding the cutting edges sharp Providing shear on tool Increasing the hardness of tool Increasing the hardness of die Grinding the cutting edges sharp ANSWER DOWNLOAD EXAMIANS APP