Engineering Materials Body centered cubic space lattice is found in Alpha iron, tungsten, chromium and molybdenum Gamma iron, aluminium, copper, lead, silver and nickel None of these Zinc, magnesium, cobalt, cadmium, antimony and bismuth Alpha iron, tungsten, chromium and molybdenum Gamma iron, aluminium, copper, lead, silver and nickel None of these Zinc, magnesium, cobalt, cadmium, antimony and bismuth ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following material has nearly zero coefficient of expansion? High speed steel Invar Heat resisting steel Stainless steel High speed steel Invar Heat resisting steel Stainless steel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Nodular iron has High tensile strength Low melting point All of these High machinability High tensile strength Low melting point All of these High machinability 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 Hardness of martensite is about RC 65 RC 57 RC 80 RC 48 RC 65 RC 57 RC 80 RC 48 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Pearlite consists of 13% ferrite and 87% cementite 13% cementite and 87% ferrite 6.67% carbon and 93.33% iron 13% carbon and 87% ferrite 13% ferrite and 87% cementite 13% cementite and 87% ferrite 6.67% carbon and 93.33% iron 13% carbon and 87% ferrite ANSWER DOWNLOAD EXAMIANS APP