Workshop Technology The increase in hardness due to cold working, is called Work hardening Age hardening Flame hardening Induction hardening Work hardening Age hardening Flame hardening Induction hardening ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The metal is subjected to mechanical working for Refining grain size Controlling the direction of flow lines Reducing original block into desired shape All of these Refining grain size Controlling the direction of flow lines Reducing original block into desired shape All of these ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology In sheet metal blanking, shear is provided on punches and dies so that Warping of sheet is minimized Good cut edge is obtained Cut blanks is straight Press load is reduced Warping of sheet is minimized Good cut edge is obtained Cut blanks is straight Press load is reduced ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The fullers are used For necking down a piece of work To finish the punched hole For punching a hole For finishing flat surfaces For necking down a piece of work To finish the punched hole For punching a hole For finishing flat surfaces ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology Swab is used for Reinforcement of sand in the top part of the moulding box Smoothing and cleaning out depressions in the mould Cleaning the moulding sand Moistening the sand around the edge before removing pattern Reinforcement of sand in the top part of the moulding box Smoothing and cleaning out depressions in the mould Cleaning the moulding sand Moistening the sand around the edge before removing pattern ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The temperature produced by oxy-hydrogen flame is about 1800°C 2100°C 3200°C 2400°C 1800°C 2100°C 3200°C 2400°C ANSWER DOWNLOAD EXAMIANS APP
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