Pig iron is the name given to

Engineering Materials
Pig iron is the name given to

Product of blast furnace made by reduction of iron ore

Raw material for blast furnace

Iron containing huge quantities of carbon

Iron in molten form in the ladles

Product of blast furnace made by reduction of iron ore

Raw material for blast furnace

Iron containing huge quantities of carbon

Iron in molten form in the ladles

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Engineering Materials
Malleable cast iron

Is produced by small additions of magnesium (or cerium) in the ladle. Graphite is in the nodular or spheroidal form and is well dispersed throughout the material

Contains 1.7 to 3.5% carbon in Free State and is obtained by the slow cooling of molten cast iron

Is produced by annealing process. It is soft, tough, and easily machined metal

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 cerium) in the ladle. Graphite is in the nodular or spheroidal form and is well dispersed throughout the material

Contains 1.7 to 3.5% carbon in Free State and is obtained by the slow cooling of molten cast iron

Is produced by annealing process. It is soft, tough, and easily machined metal

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

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Engineering Materials
A material is said to be allotropic, if it has

Any one of the above

Different crystal structures at different temperatures

Atoms distributed in random pattern

Fixed structure at all temperatures

Any one of the above

Different crystal structures at different temperatures

Atoms distributed in random pattern

Fixed structure at all temperatures

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Engineering Materials
Which of the following represents the allotropic forms of iron?

Alpha iron and beta iron

Alpha iron, beta iron and gamma iron

Body centered cubic iron and face centered cubic iron

Alpha iron, gamma from and delta iron

Alpha iron and beta iron

Alpha iron, beta iron and gamma iron

Body centered cubic iron and face centered cubic iron

Alpha iron, gamma from and delta iron

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Engineering Materials
Free carbon in iron makes the metal

Hard and gives a coarse grained crystalline structure

Soft and gives a coarse grained crystalline structure

Hard and gives a fine grained crystalline structure

Soft and gives a fine grained crystalline structure

Hard and gives a coarse grained crystalline structure

Soft and gives a coarse grained crystalline structure

Hard and gives a fine grained crystalline structure

Soft and gives a fine grained crystalline structure

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Engineering Materials
Compressive strength of grey cast iron in tonnes/cm is of the order of

57

710

35

1015

57

710

35

1015

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Engineering Materials

Engineering Materials Pig iron is the name given to

Engineering Materials Malleable cast iron

Engineering Materials A material is said to be allotropic, if it has

Engineering Materials Which of the following represents the allotropic forms of iron?

Engineering Materials Free carbon in iron makes the metal

Engineering Materials Compressive strength of grey cast iron in tonnes/cm is of the order of

Engineering Materials
Pig iron is the name given to

Engineering Materials
Malleable cast iron

Engineering Materials
A material is said to be allotropic, if it has

Engineering Materials
Which of the following represents the allotropic forms of iron?

Engineering Materials
Free carbon in iron makes the metal

Engineering Materials
Compressive strength of grey cast iron in tonnes/cm is of the order of