Engineering Materials Following elements have face-centered cubic structure Gamma iron (910° to 1400°C), Cu, Ag, Au, Al, Ni, Pb, Pt Mg, Zn, Ti, Zr, Br, Cd All of these 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 Mg, Zn, Ti, Zr, Br, Cd All of these A iron (below 910°C and between 1400 to 1539°C), W ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following has highest specific strength of all structural materials? Titanium alloys Chromium alloys Magnetic steel alloys Magnesium alloys Titanium alloys Chromium alloys Magnetic steel alloys Magnesium alloys ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The ratio of the volume occupied by the atoms to the total volume of the unit cell is called None of these Coordination number Space lattice Atomic packing factor None of these Coordination number Space lattice Atomic packing factor ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The property of a material which enables it to retain the deformation permanently, is called Plasticity Brittleness Malleability Ductility Plasticity Brittleness Malleability Ductility ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Nickel in steel Improves wear resistance, cutting ability and toughness Refines grain size and produces less tendency to carburisation, improves corrosion and heat resistant properties Improves cutting ability and reduces hardenability Gives ductility, toughness, tensile strength and anti-corrosion properties Improves wear resistance, cutting ability and toughness Refines grain size and produces less tendency to carburisation, improves corrosion and heat resistant properties Improves cutting ability and reduces hardenability Gives ductility, toughness, tensile strength and anti-corrosion properties ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The alloying element which can replace tungsten in high speed steels is Molybdenum Vanadium Cobalt Nickel Molybdenum Vanadium Cobalt Nickel ANSWER DOWNLOAD EXAMIANS APP
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