Engineering Materials The surface hardness of the following order is achieved by nitriding operation 600 VPN 250 VPN 1500 VPN 1000 to 1100 VPN 600 VPN 250 VPN 1500 VPN 1000 to 1100 VPN ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following impurity in cast iron promotes graphite nodule formation and increases the fluidity of the molten metal? Silicon Phosphorus Sulphur Manganese Silicon Phosphorus Sulphur Manganese ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Delta iron occurs at temperature of Above melting point Between 1400°C and 1539°C Room temperature Between 910°C and 1400°C Above melting point Between 1400°C and 1539°C Room temperature Between 910°C and 1400°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials An example of amorphous material is Glass Zinc Silver Lead Glass Zinc Silver Lead ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Age-hardening is related with German silver Gun metal Duralumin Stainless steel German silver Gun metal Duralumin Stainless steel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials A small percentage of boron is added to steel in order to Reduce machinability Increase hardenability Increase endurance strength Increase wear resistance Reduce machinability Increase hardenability Increase endurance strength Increase wear resistance ANSWER DOWNLOAD EXAMIANS APP
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