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Engineering Materials

Engineering Materials
Manganese in steel increases its

Fluidity
Tensile strength
Ductility
Hardness

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

40 : 60
2.1180555555556
2.5277777777778
0.88888888888889

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Engineering Materials
Drop forging dies contain carbon of the order of

0.6 to 0.7%
0.7 to 0.9%
0.25 to 0.5%
0.1 to 0.2%

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Engineering Materials
Perminvar alloy having constant permeability is an alloy of

Nickel, copper and zinc
Copper, nickel and antimony
Iron, zinc and bismuth
Nickel, copper and iron

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Engineering Materials
Gun metal contains

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

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Engineering Materials
Corundum contains more than 95%

Steel
MgO
Al2O3
SiO2

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MORE MCQ ON Engineering Materials

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