Engineering Materials When low carbon steel is heated up to upper critical temperature The grain size increases very rapidly The average grain size is a minimum The grain size first increases and then decreases very rapidly There is no change in grain size The grain size increases very rapidly The average grain size is a minimum The grain size first increases and then decreases very rapidly There is no change in grain size ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Amorphous material is one In which atoms align themselves in a geometric pattern upon solidification Which is not attacked by phosphorous In which there is no definite atomic structure and atoms exist in a random pattern just as in a liquid Which emits fumes on melting In which atoms align themselves in a geometric pattern upon solidification Which is not attacked by phosphorous In which there is no definite atomic structure and atoms exist in a random pattern just as in a liquid Which emits fumes on melting ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The usual composition of a soldering alloy is Tin, lead and small percentage of antimony Tin and copper Tin and lead Tin, lead and silver Tin, lead and small percentage of antimony Tin and copper Tin and lead Tin, lead and silver ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Cold rolled steel sheets contain carbon of the following order 0.004 0.002 0.001 0.006 0.004 0.002 0.001 0.006 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Cast iron is manufactured in Open hearth furnace Cupola Bessemer converter Blast furnace Open hearth furnace Cupola Bessemer converter Blast furnace ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Tungsten in steel 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 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
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