Engineering Materials The machinability of aluminium increases when _________ is added to aluminium. Lead and bismuth Silicon Magnesium Copper Lead and bismuth Silicon Magnesium Copper ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Cupola produces following material Pig iron Wrought iron Malleable iron Cast iron Pig iron Wrought iron Malleable iron Cast iron ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Delta-iron occurs between the temperature ranges of 600°C to 900°C 900°C to 1400°C 1400°C to 1530°C 400°C to 600°C 600°C to 900°C 900°C to 1400°C 1400°C to 1530°C 400°C to 600°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The surface hardness of the following order is achieved by nitriding operation 600 VPN 1000 to 1100 VPN 250 VPN 1500 VPN 600 VPN 1000 to 1100 VPN 250 VPN 1500 VPN ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Ferromagnetic alpha iron exists in temperature range of 770 to 910°C Below 723°C 910 to 1440°C 1400 to 1539°C 770 to 910°C Below 723°C 910 to 1440°C 1400 to 1539°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials A small percentage of boron is added to steel in order to Reduce machinability Increase wear resistance Increase endurance strength Increase hardenability Reduce machinability Increase wear resistance Increase endurance strength Increase hardenability ANSWER DOWNLOAD EXAMIANS APP
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