Engineering Materials Iron-carbon alloys containing carbon ________ 4.3% are known as hyper-eutectic cast irons. Less than Equal to None of these More than Less than Equal to None of these More than ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The lower critical point for all steels is 723°C 913°C 600°C 700°C 723°C 913°C 600°C 700°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The surface hardness of the following order is achieved by nitriding operation 1500 VPN 1000 to 1100 VPN 600 VPN 250 VPN 1500 VPN 1000 to 1100 VPN 600 VPN 250 VPN ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Compressive strength of grey cast iron in tonnes/cm is of the order of 1015 710 35 57 1015 710 35 57 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials When low carbon steel is heated up to lower critical temperature The grain size first increases and then decreases very rapidly There is no change in grain size The grain size increases very rapidly The average grain size is a minimum The grain size first increases and then decreases very rapidly There is no change in grain size The grain size increases very rapidly The average grain size is a minimum ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials In mottled cast iron, carbon is available in Partly in free and partly in combined state Nodular form Combined form Free form Partly in free and partly in combined state Nodular form Combined form Free form ANSWER DOWNLOAD EXAMIANS APP
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