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Engineering Materials

Engineering Materials
High carbon steel carries carbon percentage

0.8 to 1.5%
0.6 to 0.8%
0.1 to 0.3%
0.3 to 0.6%

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Engineering Materials
The cupola is used to manufacture

Wrought iron
Steel
Pig iron
Cast iron

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Engineering Materials
Nodular iron has

Low melting point
All of these
High machinability
High tensile strength

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Engineering Materials
Sulphur in steel

Reduces the grain size
Decreases tensile strength and hardness
Acts as deoxidiser
Lowers the toughness and transverse ductility

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Engineering Materials
Manganese is added in low carbon steel to

All of these
Raise the yield point
Make the steel tougher and harder
Make the steel ductile and of good bending qualities

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Engineering Materials
There are fourteen atoms in a unit cell of

Body centered cubic space lattice
None of these
Face centered cubic space lattice
Close packed hexagonal space lattice

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