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Engineering Materials

Engineering Materials
Aluminium bronze contains aluminium and copper in the ratio of

40 : 60
2.5277777777778
2.1180555555556
0.47916666666667

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Engineering Materials
When steel containing less than 0.8% carbon is cooled slowly from temperatures above or within the critical range, it consists of

Pearlite and cementite
Mainly ferrite
Ferrite and pearlite
Mainly pearlite

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Engineering Materials
Pearlite consists of

6.67% carbon and 93.33% iron
13% cementite and 87% ferrite
13% ferrite and 87% cementite
13% carbon and 87% ferrite

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Engineering Materials
Machining properties of steel are improved by adding

Chromium, nickel
Vanadium, aluminium
Silicon, aluminium, titanium
Sulphur, lead, phosphorous

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Engineering Materials
When a steel containing __________ 0.8% carbon is cooled slowly below the lower critical point, it consists of ferrite and pearlite.

More than
None of these
Less than
Equal to

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Engineering Materials
Blast furnace is used to produce

Wrought iron
Pig iron
Cast iron
Steel

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