Engineering Materials The lower critical point for all steels is 700°C 723°C 913°C 600°C 700°C 723°C 913°C 600°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Addition of silicon to aluminium results in Improvement of corrosion resistance Improving machinability One of the best known age and precipitation hardening systems Improvement of casting characteristics Improvement of corrosion resistance Improving machinability One of the best known age and precipitation hardening systems Improvement of casting characteristics ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The strength is the ability of a material to resist Deformation under stress Externally applied forces with breakdown or yielding Fracture due to high impact loads None of these Deformation under stress Externally applied forces with breakdown or yielding Fracture due to high impact loads None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The surface hardness of the following order is achieved by nitriding operation 1000 to 1100 VPN 250 VPN 600 VPN 1500 VPN 1000 to 1100 VPN 250 VPN 600 VPN 1500 VPN 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 30 : 20 : 30 : 20 50 : 20 : 10 : 20 50 : 20 : 20 : 10 40 : 30 : 20 : 10 30 : 20 : 30 : 20 50 : 20 : 10 : 20 50 : 20 : 20 : 10 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials According to Indian standard specifications, plain carbon steel designated by 40 C8 means that the carbon content is 0.6 to 0.8% 0.0004 0.35 to 0.45% 0.4 to 0.6% 0.6 to 0.8% 0.0004 0.35 to 0.45% 0.4 to 0.6% ANSWER DOWNLOAD EXAMIANS APP
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