Engineering Materials Which of the following display properties similar to that of steel? Blackheart cast iron Whiteheart cast iron Both (A) and (B) None of these Blackheart cast iron Whiteheart cast iron Both (A) and (B) None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following when used in ordinary low carbon steels, makes the metal ductile and of good bending qualities? Sulphur Manganese Silicon Phosphorus Sulphur Manganese Silicon Phosphorus ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Dye penetrant method is generally used to locate Core defects Superficial defects Temporary defects Surface defects Core defects Superficial defects Temporary defects Surface defects ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The machinability of steel is improved by adding Chromium Sulphur, lead and phosphorus Nickel and chromium Nickel Chromium Sulphur, lead and phosphorus Nickel and chromium Nickel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Chromium in steel Refines grain size and produces less tendency to carburisation, improves corrosion and heat resistant properties Gives ductility, toughness, tensile strength and anti-corrosion properties Improves wear resistance, cutting ability and toughness Improves cutting ability and reduces hardenability Refines grain size and produces less tendency to carburisation, improves corrosion and heat resistant properties Gives ductility, toughness, tensile strength and anti-corrosion properties Improves wear resistance, cutting ability and toughness Improves cutting ability and reduces hardenability ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following represents the allotropic forms of iron? Alpha iron, gamma from and delta iron Alpha iron, beta iron and gamma iron Body centered cubic iron and face centered cubic iron Alpha iron and beta iron Alpha iron, gamma from and delta iron Alpha iron, beta iron and gamma iron Body centered cubic iron and face centered cubic iron Alpha iron and beta iron ANSWER DOWNLOAD EXAMIANS APP
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