Engineering Materials Which of the following has highest specific strength of all structural materials? Chromium alloys Titanium alloys Magnesium alloys Magnetic steel alloys Chromium alloys Titanium alloys Magnesium alloys Magnetic steel alloys ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Sulphur in cast iron Makes the iron soft and easily machinable Aids fusibility and fluidity Increases hardness and brittleness Make the iron white and hard Makes the iron soft and easily machinable Aids fusibility and fluidity Increases hardness and brittleness Make the iron white and hard ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The strength is the ability of a material to resist Externally applied forces with breakdown or yielding Deformation under stress Fracture due to high impact loads None of these Externally applied forces with breakdown or yielding Deformation under stress Fracture due to high impact loads None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Tungsten in steel Improves wear resistance, cutting ability and toughness Gives ductility, toughness, tensile strength and anti-corrosion properties Refines grain size and produces less tendency to carburisation, improves corrosion and heat resistant properties Improves cutting ability and reduces hardenability Improves wear resistance, cutting ability and toughness Gives ductility, toughness, tensile strength and anti-corrosion properties Refines grain size and produces less tendency to carburisation, improves corrosion and heat resistant properties Improves cutting ability and reduces hardenability ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Nickel in steel Refines grain size and produces less tendency to carburisation, improves corrosion and heat resistant properties Improves wear resistance, cutting ability and toughness Gives ductility, toughness, tensile strength and anti-corrosion properties Improves cutting ability and reduces hardenability Refines grain size and produces less tendency to carburisation, improves corrosion and heat resistant properties Improves wear resistance, cutting ability and toughness Gives ductility, toughness, tensile strength and anti-corrosion properties Improves cutting ability and reduces hardenability ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The hardness of steel primarily depends on Percentage of carbon Heat treatment employed Shape of carbides and their distribution in iron Percentage of alloying elements Percentage of carbon Heat treatment employed Shape of carbides and their distribution in iron Percentage of alloying elements ANSWER DOWNLOAD EXAMIANS APP
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