Engineering Materials Cobalt in steel Improves cutting ability and reduce hardenability Gives ductility, toughness, tensile strength and anti corrosion property Refines grain size and produces less tendency to carburisation, improve corrosion and heat resistant proper ties Improves wear resistance, cutting ability and toughness Improves cutting ability and reduce hardenability Gives ductility, toughness, tensile strength and anti corrosion property Refines grain size and produces less tendency to carburisation, improve corrosion and heat resistant proper ties Improves wear resistance, cutting ability and toughness ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Eutectoid reaction occurs at 1493°C 600°C 723°C 1147°C 1493°C 600°C 723°C 1147°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Neutral solution is one which has pH value Equal to 7 Less than 7 pH value has nothing to do with neutral solution Greater than 7 Equal to 7 Less than 7 pH value has nothing to do with neutral solution Greater than 7 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The alloy used for making electrical resistances and heating elements is Magnin Invar Nichrome Elinvar Magnin Invar Nichrome Elinvar ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials An example of amorphous material is Lead Silver Zinc Glass Lead Silver Zinc Glass ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following property is desirable for materials used in tools and machines? Elasticity Malleability Ductility Plasticity Elasticity Malleability Ductility Plasticity ANSWER DOWNLOAD EXAMIANS APP
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