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Engineering Materials

Engineering Materials
The defect which takes place due to imperfect packing of atoms during crystallization is known as

Surface defect
Point defect
Line defect
None of these

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Engineering Materials
Which of the following display properties similar to that of steel?

None of these
Blackheart cast iron
Whiteheart cast iron
Both (A) and (B)

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Engineering Materials
The percentage carbon content in wrought iron is about

0.4
2
0.1
0.02

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

0.02
0.008
0.013
0.002

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Engineering Materials
German silver contains

2% silver
1% silver
No silver
5% silver

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Engineering Materials
The cupola is used to manufacture

Steel
Wrought iron
Cast iron
Pig iron

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