Engineering Materials Manganese in steel increases its Hardness Tensile strength Ductility Fluidity Hardness Tensile strength Ductility Fluidity ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials A reversible change in the atomic structure of steel with corresponding change in the properties is known as Molecular change Physical change Solidus change Allotropic change Molecular change Physical change Solidus change Allotropic change 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 None of these More than Equal to Less than None of these More than Equal to ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials A material is known as allotropic or polymorphic if it Has its atoms distributed in a random pattern Responds to heat treatment Exists in several crystal forms at different temperatures Has a fixed structure under all conditions Has its atoms distributed in a random pattern Responds to heat treatment Exists in several crystal forms at different temperatures Has a fixed structure under all conditions ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The alloying element which can replace tungsten in high speed steels is Vanadium Cobalt Molybdenum Nickel Vanadium Cobalt Molybdenum Nickel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials When the steel is normalized, its Ultimate tensile strength increases All of these Yield point increases Ductility decreases Ultimate tensile strength increases All of these Yield point increases Ductility decreases ANSWER DOWNLOAD EXAMIANS APP