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Engineering Materials

Engineering Materials
The portion of the blast furnace below its widest cross-section is called

Hearth
Bosh
Stack
Throat

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Engineering Materials
The electric process of steel making is especially adapted to

Magnet steel
High speed tool steel
All of these
Alloy and carbon tool steel

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Engineering Materials
Cast iron is characterized by minimum of following percentage of carbon

0.008
0.013
0.02
0.002

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Engineering Materials
The ratio of the volume occupied by the atoms to the total volume of the unit cell is called

Coordination number
Atomic packing factor
None of these
Space lattice

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Engineering Materials
Gun metal contains

85 - 92% copper and rest tin with little lead and nickel
90% copper and 10% tin
70 - 78% copper and rest tin
70% copper and 30% zinc

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Engineering Materials
Blast furnace is used to produce

Wrought iron
Pig iron
Steel
Cast iron

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