Engineering Materials Nickel when added to copper improves Hardness and strength Hardness Machinability Strength and ductility Hardness and strength Hardness Machinability Strength and ductility ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Ferromagnetic alpha iron exists in temperature range of 1400 to 1539°C 910 to 1440°C 770 to 910°C Below 723°C 1400 to 1539°C 910 to 1440°C 770 to 910°C Below 723°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following metal is used in making electrical resistance wire for electric furnaces and heating elements? Phosphor bronze Nichrome Babbitt metal Monel metal Phosphor bronze Nichrome Babbitt metal Monel metal ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials In high speed steels, manganese is used to tougher the metal and to increase its Melting point Critical temperature Hardness Yield point Melting point Critical temperature Hardness Yield point ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The surface hardness of the following order is achieved by nitriding operation 1500 VPN 600 VPN 250 VPN 1000 to 1100 VPN 1500 VPN 600 VPN 250 VPN 1000 to 1100 VPN ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The presence of sulphur in pig iron makes It easily machinable The casting unsound It hard It brittle It easily machinable The casting unsound It hard It brittle ANSWER DOWNLOAD EXAMIANS APP