Engineering Materials Following elements have face-centered cubic structure Mg, Zn, Ti, Zr, Br, Cd 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 All of these Mg, Zn, Ti, Zr, Br, Cd 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 All of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Ductility of a material can be defined as All of these Ability to recover its original form Ability to undergo large permanent deformations in compression Ability to undergo large permanent deformations in tension All of these Ability to recover its original form Ability to undergo large permanent deformations in compression Ability to undergo large permanent deformations in tension ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which is false statement about tempering? Tempering is done to Release stresses Improve machinability Improve toughness Improve ductility Release stresses Improve machinability Improve toughness Improve ductility ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Tensile strength of steel can be safely increased by Adding carbon up to 2.8% Adding carbon up to 0.83% Adding small quantities of copper Adding carbon up to 6.3% Adding carbon up to 2.8% Adding carbon up to 0.83% Adding small quantities of copper Adding carbon up to 6.3% ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Blast furnace produces following by reduction of iron ore Cast iron Malleable iron Pig iron Wrought iron Cast iron Malleable iron Pig iron Wrought iron ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Eutectoid reaction occurs at 1147°C 600°C 723°C 1493°C 1147°C 600°C 723°C 1493°C ANSWER DOWNLOAD EXAMIANS APP