Engineering Materials Hematite iron ore contains iron about 0.7 0.45 0.55 0.3 0.7 0.45 0.55 0.3 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The bond formed by transferring electrons from one atom to another is called Covalent bond Metallic bond Ionic bond None of these Covalent bond Metallic bond Ionic bond None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The material widely used for making pendulums of clocks is High speed steel Heat resisting steel Stainless steel Nickel steel High speed steel Heat resisting steel Stainless steel Nickel steel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Following elements have face-centered cubic structure All of these Gamma iron (910° to 1400°C), Cu, Ag, Au, Al, Ni, Pb, Pt A iron (below 910°C and between 1400 to 1539°C), W Mg, Zn, Ti, Zr, Br, Cd All of these Gamma iron (910° to 1400°C), Cu, Ag, Au, Al, Ni, Pb, Pt A iron (below 910°C and between 1400 to 1539°C), W Mg, Zn, Ti, Zr, Br, Cd ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The alloying element which increases residual magnetism and coercive magnetic force in steel for magnets is Chromium Cobalt Vanadium Nickel Chromium Cobalt Vanadium Nickel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which is false statement about case hardening? Case hardening is done by Induction hardening Electroplating Nitriding Cyaniding Induction hardening Electroplating Nitriding Cyaniding ANSWER DOWNLOAD EXAMIANS APP