Engineering Materials The temperature required for full annealing in hypereutectoid steel is 30° C to 50° C above upper critical temperature 30° C to 50° C below upper critical temperature 30° C to 50° C above lower critical temperature 30° C to 50° C below lower critical temperature 30° C to 50° C above upper critical temperature 30° C to 50° C below upper critical temperature 30° C to 50° C above lower critical temperature 30° C to 50° C below lower critical temperature ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Preheating is essential in welding All of these High speed steel Cast iron All nonferrous materials All of these High speed steel Cast iron All nonferrous materials 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 Body centered cubic space lattice is found in Zinc, magnesium, cobalt, cadmium, antimony and bismuth Alpha iron, tungsten, chromium and molybdenum None of these Gamma iron, aluminium, copper, lead, silver and nickel Zinc, magnesium, cobalt, cadmium, antimony and bismuth Alpha iron, tungsten, chromium and molybdenum None of these Gamma iron, aluminium, copper, lead, silver and nickel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials When elements like nickel, chromium, copper and molybdenum are added to the molten cast iron, it produces Malleable cast iron White cast iron Nodular cast iron Alloy cast iron Malleable cast iron White cast iron Nodular cast iron Alloy cast iron ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Ferromagnetic alpha iron exists in temperature range of 910 to 1440°C 1400 to 1539°C Below 723°C 770 to 910°C 910 to 1440°C 1400 to 1539°C Below 723°C 770 to 910°C ANSWER DOWNLOAD EXAMIANS APP
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