Materials and Construction Cementite is Fe₃C chemically A compound of carbon and iron All of these Characterised by an orthorhombic crystal structure Fe₃C chemically A compound of carbon and iron All of these Characterised by an orthorhombic crystal structure ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Among the tin containing alloys, __________ consumes the maximum amount of tin. Bronzes White metal Solder Pewter matal Bronzes White metal Solder Pewter matal ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Chrome vanadium steels usually contain 0.8 to 1.1% Cr, 0.25 to 0.35% C and < 0.25% V. Used for making axle & shafts of aeroplanes, automobiles and locomotives Not helpful in producing cleaner steel due to oxidising action of vanadium Having poor fatigue resistance Having poor toughness Used for making axle & shafts of aeroplanes, automobiles and locomotives Not helpful in producing cleaner steel due to oxidising action of vanadium Having poor fatigue resistance Having poor toughness ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Presence of cobalt in steel improves its None of these Corrosion resistance Cutting ability Tensile strength None of these Corrosion resistance Cutting ability Tensile strength ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction In cold working of metal as compared to its hot working Ductility and impact strength improves Cracks and blow holes are eliminated Yield stress, hardness and fatigue strength is not at all affected Appreciable strain hardening is produced Ductility and impact strength improves Cracks and blow holes are eliminated Yield stress, hardness and fatigue strength is not at all affected Appreciable strain hardening is produced ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction A measure of toughness of a material is its Yield strength Ultimate strength Percentage elongation Area under stress-strain diagram Yield strength Ultimate strength Percentage elongation Area under stress-strain diagram ANSWER DOWNLOAD EXAMIANS APP
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