Engineering Materials The following element can't impart high strength at elevated temperature Magnesium Silicon Manganese Nickel Magnesium Silicon Manganese Nickel 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 Solidus change Molecular change Physical change Allotropic change Solidus change Molecular change ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The addition of which of the following improves machining of copper? Zinc Tin Vanadium Sulphur Zinc Tin Vanadium Sulphur ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The tensile strength of wrought iron is maximum Perpendicular to lines of slag distribution None of these Uniform in all directions Along the lines of slag distribution Perpendicular to lines of slag distribution None of these Uniform in all directions Along the lines of slag distribution ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Pick up wrong statement about wrought iron It contains carbon of the order of 0 to 0.25% It is made by adding suitable percentage of carbon to molten iron and subjecting the product to repeated hammering and rolling It melts at 1535°C It is very soft and ductile It contains carbon of the order of 0 to 0.25% It is made by adding suitable percentage of carbon to molten iron and subjecting the product to repeated hammering and rolling It melts at 1535°C It is very soft and ductile ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Addition of lead and bismuth to aluminium results in One of the best known age and precipitation hardening systems Improving machinability Improvement of corrosion resistance Improvement of casting characteristics One of the best known age and precipitation hardening systems Improving machinability Improvement of corrosion resistance Improvement of casting characteristics ANSWER DOWNLOAD EXAMIANS APP