Engineering Materials Hardness of lower bainite (tempered martensite) is about RC 80 RC 57 RC 48 RC 65 RC 80 RC 57 RC 48 RC 65 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 Allotropic change Molecular change Solidus change Physical change Allotropic change Molecular change Solidus change ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Tungsten in steel Improves cutting ability and reduces hardenability Improves wear resistance, cutting ability and toughness Gives ductility, toughness, tensile strength and anti-corrosion properties Refines grain size and produces less tendency to carburisation, improves corrosion and heat resistant properties Improves cutting ability and reduces hardenability Improves wear resistance, cutting ability and toughness Gives ductility, toughness, tensile strength and anti-corrosion properties Refines grain size and produces less tendency to carburisation, improves corrosion and heat resistant properties ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials When elements like nickel, chromium, copper and molybdenum are added to the molten cast iron, it produces Nodular cast iron Alloy cast iron White cast iron Malleable cast iron Nodular cast iron Alloy cast iron White cast iron Malleable cast iron ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Heavy duty leaf and coil springs contain carbon of the following order 0.01 0.005 0.002 0.008 0.01 0.005 0.002 0.008 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Basic solution is one which has pH value pH value has nothing to do with basic solution Less than 7 Greater than 7 Equal to 7 pH value has nothing to do with basic solution Less than 7 Greater than 7 Equal to 7 ANSWER DOWNLOAD EXAMIANS APP