Engineering Materials Hardness of lower bainite (tempered martensite) is about RC 57 RC 65 RC 80 RC 48 RC 57 RC 65 RC 80 RC 48 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Muntz metal contains copper and zinc in the ratio of 2.1180555555556 0.88888888888889 2.5277777777778 40 : 60 2.1180555555556 0.88888888888889 2.5277777777778 40 : 60 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials A small percentage of boron is added to steel in order to Increase hardenability Increase wear resistance Reduce machinability Increase endurance strength Increase hardenability Increase wear resistance Reduce machinability Increase endurance strength ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials A reversible change in the atomic structure of steel with corresponding change in the properties is known as Physical change Solidus change Allotropic change Molecular change Physical change Solidus change Allotropic change Molecular change ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials For a steel containing 0.8% carbon There is no critical point There are two critical points There is only one critical point There can be any number of critical points There is no critical point There are two critical points There is only one critical point There can be any number of critical points ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials A material is said to be allotropic, if it has Different crystal structures at different temperatures Any one of the above Fixed structure at all temperatures Atoms distributed in random pattern Different crystal structures at different temperatures Any one of the above Fixed structure at all temperatures Atoms distributed in random pattern ANSWER DOWNLOAD EXAMIANS APP
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