Engineering Materials Following elements have face-centered cubic structure A iron (below 910°C and between 1400 to 1539°C), W Mg, Zn, Ti, Zr, Br, Cd Gamma iron (910° to 1400°C), Cu, Ag, Au, Al, Ni, Pb, Pt All of these A iron (below 910°C and between 1400 to 1539°C), W Mg, Zn, Ti, Zr, Br, Cd Gamma iron (910° to 1400°C), Cu, Ag, Au, Al, Ni, Pb, Pt All of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Quenching is not necessary when hardening is done by Flame hardening Case hardening Any one of these Nitriding Flame hardening Case hardening Any one of these Nitriding ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Chromium when added to steel _________ the tensile strength. Does not effect Decreases Increases None of these Does not effect Decreases Increases None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The alloy used for making electrical resistances and heating elements is Invar Elinvar Nichrome Magnin Invar Elinvar Nichrome Magnin ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The material widely used for making pendulums of clocks is High speed steel Stainless steel Heat resisting steel Nickel steel High speed steel Stainless steel Heat resisting steel Nickel steel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The portion of the blast furnace below its widest cross-section is called Throat Stack Bosh Hearth Throat Stack Bosh Hearth ANSWER DOWNLOAD EXAMIANS APP
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