The tensile strength of wrought iron is maximum

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

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Engineering Materials
The alloying element which can replace tungsten in high speed steels is

Nickel

Vanadium

Cobalt

Molybdenum

Nickel

Vanadium

Cobalt

Molybdenum

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Engineering Materials
Grey cast iron

Is also known as chilled cast iron is obtained by cooling rapidly. It is almost unmachinable

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

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 also known as chilled cast iron is obtained by cooling rapidly. It is almost unmachinable

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

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

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Engineering Materials
When medium carbon steel is heated to coarsening temperature

The grain size increases very rapidly

There is no change in grain size

The grain size first increases and then decreases very rapidly

The average grain size is a minimum

The grain size increases very rapidly

There is no change in grain size

The grain size first increases and then decreases very rapidly

The average grain size is a minimum

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

Open hearth process

Bessemer process

LD process

Electric process

Open hearth process

Bessemer process

LD process

Electric process

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Engineering Materials
Which of the following impurity in cast iron promotes graphite nodule formation and increases the fluidity of the molten metal?

Sulphur

Silicon

Manganese

Phosphorus

Sulphur

Silicon

Manganese

Phosphorus

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Engineering Materials

Engineering Materials The tensile strength of wrought iron is maximum

Engineering Materials The alloying element which can replace tungsten in high speed steels is

Engineering Materials Grey cast iron

Engineering Materials When medium carbon steel is heated to coarsening temperature

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

Engineering Materials Which of the following impurity in cast iron promotes graphite nodule formation and increases the fluidity of the molten metal?

Engineering Materials
The tensile strength of wrought iron is maximum

Engineering Materials
The alloying element which can replace tungsten in high speed steels is

Engineering Materials
Grey cast iron

Engineering Materials
When medium carbon steel is heated to coarsening temperature

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

Engineering Materials
Which of the following impurity in cast iron promotes graphite nodule formation and increases the fluidity of the molten metal?