Engineering Materials Free cutting steels Require minimum cutting force Is used where rapid machining is the prime requirement Can be cut freely Contain carbon in free from Require minimum cutting force Is used where rapid machining is the prime requirement Can be cut freely Contain carbon in free from ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Tensile strength of steel can be safely increased by Adding carbon up to 0.83% Adding small quantities of copper Adding carbon up to 2.8% Adding carbon up to 6.3% Adding carbon up to 0.83% Adding small quantities of copper Adding carbon up to 2.8% Adding carbon up to 6.3% ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The ultimate tensile strength and yield strength of most of the metals, when temperature falls from 0 to 100°C will Decrease Increase First increase and then decrease Remain same Decrease Increase First increase and then decrease Remain same ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Manganese is added in low carbon steel to Make the steel ductile and of good bending qualities All of these Raise the yield point Make the steel tougher and harder Make the steel ductile and of good bending qualities All of these Raise the yield point Make the steel tougher and harder ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The purpose of heat treatment is to Any one of these Change grain size Modify the structure of the material Relieve the stresses set up in the material after hot or cold working Any one of these Change grain size Modify the structure of the material Relieve the stresses set up in the material after hot or cold working ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Cast iron is manufactured in Cupola Bessemer converter Open hearth furnace Blast furnace Cupola Bessemer converter Open hearth furnace Blast furnace ANSWER DOWNLOAD EXAMIANS APP
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