Engineering Materials The percentage of carbon in grey iron castings usually varies between 0.012 0.5 to 1% 5 to 7% 2.5 to 4.5% 0.012 0.5 to 1% 5 to 7% 2.5 to 4.5% ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Cementite consist of 13% ferrite and 87% cementite 13% carbon and 87% ferrite 13% cementite and 87% ferrite 6.67% carbon and 93.33% iron 13% ferrite and 87% cementite 13% carbon and 87% ferrite 13% cementite and 87% ferrite 6.67% carbon and 93.33% iron ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials White cast iron has All of these Low tensile strength Carbon in the form of carbide High compressive strength All of these Low tensile strength Carbon in the form of carbide High compressive strength ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The hardness is the property of a material due to which it Can be drawn into wires Can cut another metal Can be rolled or hammered into thin sheets Breaks with little permanent distortion Can be drawn into wires Can cut another metal Can be rolled or hammered into thin sheets Breaks with little permanent distortion ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials When a steel containing __________ 0.8% carbon is cooled slowly below the lower critical point, it consists of ferrite and pearlite. Less than Equal to None of these More than Less than Equal to None of these More than ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials A material is said to be allotropic, if it has Different crystal structures at different temperatures Fixed structure at all temperatures Atoms distributed in random pattern Any one of the above Different crystal structures at different temperatures Fixed structure at all temperatures Atoms distributed in random pattern Any one of the above ANSWER DOWNLOAD EXAMIANS APP
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