Engineering Materials Balls for ball bearings are made of Stainless steel Mild steel Cast iron Carbon-chrome steel Stainless steel Mild steel Cast iron Carbon-chrome steel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following represents the allotropic forms of iron? Alpha iron, beta iron and gamma iron Body centered cubic iron and face centered cubic iron Alpha iron, gamma from and delta iron Alpha iron and beta iron Alpha iron, beta iron and gamma iron Body centered cubic iron and face centered cubic iron Alpha iron, gamma from and delta iron Alpha iron and beta iron ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials In full annealing, the hypo eutectoid steel is heated from 30°C to 50°C above the upper critical temperature and then cooled Suddenly in a suitable cooling medium Any one of these In still air Slowly in the furnace Suddenly in a suitable cooling medium Any one of these In still air Slowly in the furnace ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following constituents of steels is softest and least strong? Cementite Pearlite Austenite Ferrite Cementite Pearlite Austenite Ferrite ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Steel contains 50% or more iron 80% or more iron Elements like phosphorus, sulphur and silicon in varying quantities Alloying elements like chromium, tungsten nickel and copper 50% or more iron 80% or more iron Elements like phosphorus, sulphur and silicon in varying quantities Alloying elements like chromium, tungsten nickel and copper ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The hardness is the property of a material due to which it Can cut another metal Can be drawn into wires Breaks with little permanent distortion Can be rolled or hammered into thin sheets Can cut another metal Can be drawn into wires Breaks with little permanent distortion Can be rolled or hammered into thin sheets ANSWER DOWNLOAD EXAMIANS APP
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