Engineering Materials Addition of silicon to aluminium results in Improvement of corrosion resistance Improvement of casting characteristics One of the best known age and precipitation hardening systems Improving machinability Improvement of corrosion resistance Improvement of casting characteristics One of the best known age and precipitation hardening systems Improving machinability ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Free carbon in iron makes the metal Soft and gives a coarse grained crystalline structure Soft and gives a fine grained crystalline structure Hard and gives a coarse grained crystalline structure Hard and gives a fine grained crystalline structure Soft and gives a coarse grained crystalline structure Soft and gives a fine grained crystalline structure Hard and gives a coarse grained crystalline structure Hard and gives a fine grained crystalline structure ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Age hardening is related to Copper Brass Silver Duralumin Copper Brass Silver Duralumin ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Alnico, an alloy used extensively for permanent magnets contains iron, nickel, aluminium and cobalt in the following ratio 40 : 30 : 20 : 10 50 : 20 : 20 : 10 50 : 20 : 10 : 20 30 : 20 : 30 : 20 40 : 30 : 20 : 10 50 : 20 : 20 : 10 50 : 20 : 10 : 20 30 : 20 : 30 : 20 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The stiffness is the ability of a material to resist 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 Deformation under stress ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Cold rolled steel sheets contain carbon of the following order 0.002 0.004 0.006 0.001 0.002 0.004 0.006 0.001 ANSWER DOWNLOAD EXAMIANS APP
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