Engineering Materials Stress relaxation is the phenomenon In which deformation tends to loosen the joint and produces a stress reduced In which parts are not loaded Stress reduces on increasing load In which stress remains constant on increasing load In which deformation tends to loosen the joint and produces a stress reduced In which parts are not loaded Stress reduces on increasing load In which stress remains constant on increasing load ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Addition of copper to aluminium results in Improving machinability Improvement of casting characteristics Improvement of corrosion resistance One of the best known age and precipitation hardening systems Improving machinability Improvement of casting characteristics Improvement of corrosion resistance One of the best known age and precipitation hardening systems ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which is the false statement about wrought iron? It has Ability of hold protective coating High resistance to rusting and corrosion High ductility Uniform strength in all directions Ability of hold protective coating High resistance to rusting and corrosion High ductility Uniform strength in all directions ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Chromium in steel Improves wear resistance, cutting ability and toughness Improves cutting ability and reduces hardenability Refines grain size and produces less tendency to carburisation, improves corrosion and heat resistant properties Gives ductility, toughness, tensile strength and anti-corrosion properties Improves wear resistance, cutting ability and toughness Improves cutting ability and reduces hardenability Refines grain size and produces less tendency to carburisation, improves corrosion and heat resistant properties Gives ductility, toughness, tensile strength and anti-corrosion properties ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The compressive strength of cast iron is __________that of its tensile strength. Equal to None of these More than Less than Equal to None of these More than Less than ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Balls for ball bearings are made of Stainless steel Carbon-chrome steel Cast iron Mild steel Stainless steel Carbon-chrome steel Cast iron Mild steel ANSWER DOWNLOAD EXAMIANS APP