Engineering Materials Mild steel belongs to the following category Alloy steel Low carbon steel Medium carbon steel High carbon steel Alloy steel Low carbon steel Medium carbon steel High carbon steel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Steel contains 80% or more iron Alloying elements like chromium, tungsten nickel and copper 50% or more iron Elements like phosphorus, sulphur and silicon in varying quantities 80% or more iron Alloying elements like chromium, tungsten nickel and copper 50% or more iron Elements like phosphorus, sulphur and silicon in varying quantities 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 cutting ability and reduces hardenability Improves wear resistance, cutting ability and toughness 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 cutting ability and reduces hardenability Improves wear resistance, cutting ability and toughness ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following impurity in cast iron promotes graphite nodule formation and increases the fluidity of the molten metal? Sulphur Phosphorus Manganese Silicon Sulphur Phosphorus Manganese Silicon ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The strength is the ability of a material to resist None of these Externally applied forces with breakdown or yielding Fracture due to high impact loads Deformation under stress None of these Externally applied forces with breakdown or yielding Fracture due to high impact loads Deformation under stress ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Sulphur in cast iron Makes the iron soft and easily machinable Increases hardness and brittleness Make the iron white and hard Aids fusibility and fluidity Makes the iron soft and easily machinable Increases hardness and brittleness Make the iron white and hard Aids fusibility and fluidity ANSWER DOWNLOAD EXAMIANS APP
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