Engineering Materials
Grey cast iron

Is also known as chilled cast iron is obtained by cooling rapidly. It is almost unmachinable
Is produced by small additions o magnesium (or cerium) in the ladle Graphite is in nodular or spheroidal form and is well dispersed throughout the material
Is produced by annealing process. I is soft, tough and easily machined metal
Contains 1.7 to 3.5% carbon in Free State and is obtained by the slow cooling of molten cast iron

ANSWER DOWNLOAD EXAMIANS APP

Engineering Materials
White cast iron

Contains 1.7 to 3.5% carbon in Free State and is obtained by the slow cooling of molten cast iron
Is produced by small additions of magnesium (or creium) in the ladle. Graphite is in nodular or spheroidal form and is well dispersed throughout the material
Is also known as chilled cast iron and is obtained by cooling rapidly. It is almost unmachinable
Is produced by annealing process. It is soft, tough and easily machined metal

ANSWER DOWNLOAD EXAMIANS APP

Engineering Materials
A coarse grained steel

Is more ductile and has a greater tendency to distort during heat treatment
Is less tough and has a less tendency to distort during heat treatment
Is more ductile and has a less tendency to distort during heat treatment
Is less tough and has a greater tendency to distort during heat treatment

ANSWER DOWNLOAD EXAMIANS APP