Engineering Materials The purpose of heat treatment is to Change grain size Relieve the stresses set up in the material after hot or cold working Modify the structure of the material Any one of these Change grain size Relieve the stresses set up in the material after hot or cold working Modify the structure of the material Any one of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The metal suitable for bearings subjected to heavy loads, is Silicon bronze White metal Monel metal Phosphor bronze Silicon bronze White metal Monel metal Phosphor bronze ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Following elements have face-centered cubic structure Mg, Zn, Ti, Zr, Br, Cd All of these A iron (below 910°C and between 1400 to 1539°C), W Gamma iron (910° to 1400°C), Cu, Ag, Au, Al, Ni, Pb, Pt Mg, Zn, Ti, Zr, Br, Cd All of these A iron (below 910°C and between 1400 to 1539°C), W Gamma iron (910° to 1400°C), Cu, Ag, Au, Al, Ni, Pb, Pt ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Tungsten in steel 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 Refines grain size and produces less tendency to carburisation, improves corrosion and heat resistant properties Gives ductility, toughness, tensile strength and anti-corrosion properties ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Crystal structure of a material is, generally, examined by Metallurgical microscope Naked eye X-ray techniques Optical microscope Metallurgical microscope Naked eye X-ray techniques Optical microscope ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Manganese is added in low carbon steel to Raise the yield point Make the steel tougher and harder All of these Make the steel ductile and of good bending qualities Raise the yield point Make the steel tougher and harder All of these Make the steel ductile and of good bending qualities ANSWER DOWNLOAD EXAMIANS APP
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