Engineering Materials The percentage of carbon in grey iron castings usually varies between 0.012 2.5 to 4.5% 0.5 to 1% 5 to 7% 0.012 2.5 to 4.5% 0.5 to 1% 5 to 7% ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials When low carbon steel is heated up to lower critical temperature The average grain size is a minimum The grain size increases very rapidly There is no change in grain size The grain size first increases and then decreases very rapidly The average grain size is a minimum The grain size increases very rapidly There is no change in grain size The grain size first increases and then decreases very rapidly ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Connecting rod is usually made of Aluminium High carbon steel Medium carbon steel Low carbon steel Aluminium High carbon steel Medium carbon steel Low carbon steel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The surface hardness of the following order is achieved by nitriding operation 1000 to 1100 VPN 1500 VPN 250 VPN 600 VPN 1000 to 1100 VPN 1500 VPN 250 VPN 600 VPN ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Shock resisting steels should have Low hardness Toughness Low wear resistance Low tensile strength Low hardness Toughness Low wear resistance Low tensile strength ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The material widely used for making pendulums of clocks is Nickel steel High speed steel Heat resisting steel Stainless steel Nickel steel High speed steel Heat resisting steel Stainless steel ANSWER DOWNLOAD EXAMIANS APP