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Engineering Materials

Engineering Materials
German silver contains

5% silver
No silver
1% silver
2% silver

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Engineering Materials
Muntz metal contains copper and zinc in the ratio of

0.88888888888889
2.5277777777778
40 : 60
2.1180555555556

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Engineering Materials
The temperature at which ferromagnetic alpha iron transforms to paramagnetic alpha iron is

910°C
770°C
1050°C
Below recrystallization temperature

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Engineering Materials
Addition of manganese to aluminium results in

Improvement of corrosion resistance
Improving machinability
Improvement of casting characteristics
One of the best known age and precipitation hardening systems

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

None of these
Point defect
Line defect
Surface defect

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Engineering Materials
The charge is fed into the blast furnace through the

Throat
Tyres
Bosh
Stack

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MORE MCQ ON Engineering Materials

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