Engineering Materials The ultimate tensile strength and yield strength of most of the metals, when temperature falls from 0 to 100°C will Remain same Increase First increase and then decrease Decrease Remain same Increase First increase and then decrease Decrease ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Free carbon in iron makes the metal Hard and gives a coarse grained crystalline structure Soft and gives a coarse grained crystalline structure Soft and gives a fine grained crystalline structure Hard and gives a fine grained crystalline structure Hard and gives a coarse grained crystalline structure Soft and gives a coarse grained crystalline structure Soft and gives a fine grained crystalline structure Hard and gives a fine grained crystalline structure ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Ball bearings are, usually, made from Chrome steel High carbon steel Low carbon steel Medium carbon steel Chrome steel High carbon steel Low carbon steel Medium carbon steel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Pearlite consists of 13% cementite and 87% ferrite 6.67% carbon and 93.33% iron 13% carbon and 87% ferrite 13% ferrite and 87% cementite 13% cementite and 87% ferrite 6.67% carbon and 93.33% iron 13% carbon and 87% ferrite 13% ferrite and 87% cementite ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials In high speed steels, manganese is used to tougher the metal and to increase its Critical temperature Melting point Hardness Yield point Critical temperature Melting point Hardness Yield point ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Cast iron is a Ductile material Malleable material Brittle material Tough material Ductile material Malleable material Brittle material Tough material ANSWER DOWNLOAD EXAMIANS APP