Engineering Materials The lower critical point for all steels is 700°C 913°C 723°C 600°C 700°C 913°C 723°C 600°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials 1841 high speed steel contains Vanadium 18%, chromium 1% and tungsten 4% Vanadium 4%, chromium 18% and tungsten 1% None of these Vanadium 1%, chromium 4% and tungsten 18% Vanadium 18%, chromium 1% and tungsten 4% Vanadium 4%, chromium 18% and tungsten 1% None of these Vanadium 1%, chromium 4% and tungsten 18% ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Alnico, an alloy used extensively for permanent magnets contains iron, nickel, aluminium and cobalt in the following ratio 50 : 20 : 10 : 20 50 : 20 : 20 : 10 30 : 20 : 30 : 20 40 : 30 : 20 : 10 50 : 20 : 10 : 20 50 : 20 : 20 : 10 30 : 20 : 30 : 20 40 : 30 : 20 : 10 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The surface hardness of the following order is achieved by nitriding operation 1000 to 1100 VPN 600 VPN 250 VPN 1500 VPN 1000 to 1100 VPN 600 VPN 250 VPN 1500 VPN ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The presence of sulphur in pig iron makes It brittle The casting unsound It hard It easily machinable It brittle The casting unsound It hard It easily machinable ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Gamma iron exits at following temperature Near melting point Between 910°C and 1400°C Room temperature Between 1400°C and 1539°C Near melting point Between 910°C and 1400°C Room temperature Between 1400°C and 1539°C ANSWER DOWNLOAD EXAMIANS APP
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