Engineering Materials Which of the following material has maximum ductility? Copper Aluminium Mild steel Nickel Copper Aluminium Mild steel Nickel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following pipes is least corrosion resistant? Brass Cast iron Wrought iron Mild steel Brass Cast iron Wrought iron Mild steel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following is not the correct method of increasing fatigue limit? Nitriding of surface Shot peening Surface decarburisation Cold working Nitriding of surface Shot peening Surface decarburisation Cold working ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Ferromagnetic alpha iron exists in temperature range of 770 to 910°C 1400 to 1539°C 910 to 1440°C Below 723°C 770 to 910°C 1400 to 1539°C 910 to 1440°C Below 723°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Addition of copper to aluminium results in Improvement of corrosion resistance Improving machinability Improvement of casting characteristics One of the best known age and precipitation hardening systems Improvement of corrosion resistance Improving machinability Improvement of casting characteristics One of the best known age and precipitation hardening systems ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Cobalt in steel Improves wear resistance, cutting ability and toughness Improves cutting ability and reduce hardenability Refines grain size and produces less tendency to carburisation, improve corrosion and heat resistant proper ties Gives ductility, toughness, tensile strength and anti corrosion property Improves wear resistance, cutting ability and toughness Improves cutting ability and reduce hardenability Refines grain size and produces less tendency to carburisation, improve corrosion and heat resistant proper ties Gives ductility, toughness, tensile strength and anti corrosion property ANSWER DOWNLOAD EXAMIANS APP