Engineering Materials Which of the following material has nearly zero coefficient of expansion? Invar Stainless steel Heat resisting steel High speed steel Invar Stainless steel Heat resisting steel High speed steel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which is the false statement about wrought iron? It has Uniform strength in all directions High ductility Ability of hold protective coating High resistance to rusting and corrosion Uniform strength in all directions High ductility Ability of hold protective coating High resistance to rusting and corrosion ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Body centered cubic space lattice is found in Alpha iron, tungsten, chromium and molybdenum None of these Zinc, magnesium, cobalt, cadmium, antimony and bismuth Gamma iron, aluminium, copper, lead, silver and nickel Alpha iron, tungsten, chromium and molybdenum None of these Zinc, magnesium, cobalt, cadmium, antimony and bismuth Gamma iron, aluminium, copper, lead, silver and nickel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The temperature at which ferromagnetic alpha iron transforms to paramagnetic alpha iron is 910°C 770°C Below recrystallization temperature 1050°C 910°C 770°C Below recrystallization temperature 1050°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Manganese is added in low carbon steel to Make the steel tougher and harder All of these Make the steel ductile and of good bending qualities Raise the yield point Make the steel tougher and harder All of these Make the steel ductile and of good bending qualities Raise the yield point ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials If a refractory contains high content of silicon, it means refractory is Neutral Brittle Basic Acidic Neutral Brittle Basic Acidic ANSWER DOWNLOAD EXAMIANS APP