Engineering Materials Which of the following material has nearly zero coefficient of expansion? Heat resisting steel Invar High speed steel Stainless steel Heat resisting steel Invar High speed steel Stainless steel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Cementite consist of 6.67% carbon and 93.33% iron 13% carbon and 87% ferrite 13% cementite and 87% ferrite 13% ferrite and 87% cementite 6.67% carbon and 93.33% iron 13% carbon and 87% ferrite 13% cementite and 87% ferrite 13% ferrite and 87% cementite ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials When elements like nickel, chromium, copper and molybdenum are added to the molten cast iron, it produces Nodular cast iron White cast iron Malleable cast iron Alloy cast iron Nodular cast iron White cast iron Malleable cast iron Alloy cast iron ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The brown smoke during the operation of a Bessemer converter indicates that the The brown smoke does not occur during the operation of a Bessemer converter The converter must be titled to remove the contents of the converter Air is burning out silicon and manganese Silicon and manganese has burnt and carbon has started oxidizing The brown smoke does not occur during the operation of a Bessemer converter The converter must be titled to remove the contents of the converter Air is burning out silicon and manganese Silicon and manganese has burnt and carbon has started oxidizing ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The ability of a material to resist softening at high temperature is known as Fatigue Creep Hot tempering Hot hardness Fatigue Creep Hot tempering Hot hardness ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials In low carbon steels, ________ raises the yield point and improves the resistance to atmospheric corrosion. Silicon Manganese Phosphorus Sulphur Silicon Manganese Phosphorus Sulphur ANSWER DOWNLOAD EXAMIANS APP
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