Engineering Materials
Which of the following steel making process is being adopted at Rourkela (in India) Steel Plant?

Open hearth process
Electric process
Bessemer process
LD process

ANSWER DOWNLOAD EXAMIANS APP

Engineering Materials
Carbon steel is

Made by adding carbon in steel
Refined from cast iron
An alloy of iron and carbon with varying quantities of phosphorus and sulphur
Extensively used for making cutting tools

ANSWER DOWNLOAD EXAMIANS APP

Engineering Materials
Ductile cast iron

Contains 1.7 to 3.5% carbon in Free State and is obtained by the slow cooling of molten cast iron
Is also known as chilled cast iron and is obtained by cooling rapidly. It is almost unmachinable
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 produced by annealing process. It is soft, tough and easily machined metal

ANSWER DOWNLOAD EXAMIANS APP
MORE MCQ ON Engineering Materials