Engineering Materials Addition of manganese to aluminium results in Improvement of casting characteristics Improving machinability One of the best known age and precipitation hardening systems Improvement of corrosion resistance Improvement of casting characteristics Improving machinability One of the best known age and precipitation hardening systems Improvement of corrosion resistance ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which is false statement about normalizing? Normalizing is done to Induce stresses Refine grain structure Improve mechanical properties Reduce segregation in casting Induce stresses Refine grain structure Improve mechanical properties Reduce segregation in casting ANSWER DOWNLOAD EXAMIANS APP
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 metal is used in making electrical resistance wire for electric furnaces and heating elements? Monel metal Babbitt metal Phosphor bronze Nichrome Monel metal Babbitt metal Phosphor bronze Nichrome ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The brown smoke during the operation of a Bessemer converter indicates that the The converter must be titled to remove the contents of the converter Air is burning out silicon and manganese The brown smoke does not occur during the operation of a Bessemer converter Silicon and manganese has burnt and carbon has started oxidizing The converter must be titled to remove the contents of the converter Air is burning out silicon and manganese The brown smoke does not occur during the operation of a Bessemer converter Silicon and manganese has burnt and carbon has started oxidizing ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Ductility of a material can be defined as Ability to undergo large permanent deformations in tension Ability to undergo large permanent deformations in compression All of these Ability to recover its original form Ability to undergo large permanent deformations in tension Ability to undergo large permanent deformations in compression All of these Ability to recover its original form ANSWER DOWNLOAD EXAMIANS APP
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