Engineering Materials Steel contains 80% or more iron 50% or more iron Elements like phosphorus, sulphur and silicon in varying quantities Alloying elements like chromium, tungsten nickel and copper 80% or more iron 50% or more iron Elements like phosphorus, sulphur and silicon in varying quantities Alloying elements like chromium, tungsten nickel and copper ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The stiffness is the ability of a material to resist Deformation under stress Fracture due to high impact loads None of these Externally applied forces with breakdown or yielding Deformation under stress Fracture due to high impact loads None of these Externally applied forces with breakdown or yielding ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The alloying element which can replace tungsten in high speed steels is Nickel Vanadium Cobalt Molybdenum Nickel Vanadium Cobalt Molybdenum ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following has highest specific strength of all structural materials? Magnetic steel alloys Chromium alloys Magnesium alloys Titanium alloys Magnetic steel alloys Chromium alloys Magnesium alloys Titanium alloys ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The defect which takes place due to imperfect packing of atoms during crystallization is known as Line defect Surface defect None of these Point defect Line defect Surface defect None of these Point defect ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials German silver is an alloy of Silver and some impurities Nickel and copper Nickel, Copper and zinc Refined silver Silver and some impurities Nickel and copper Nickel, Copper and zinc Refined silver ANSWER DOWNLOAD EXAMIANS APP
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