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Engineering Materials

Engineering Materials
Blast furnace produces following by reduction of iron ore

Cast iron
Malleable iron
Wrought iron
Pig iron

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Engineering Materials
The presence of hydrogen in steel causes

Reduced neutron absorption cross-section
Corrosion resistance
Embrittlement
Improved Weldability

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

40 : 60
0.47916666666667
2.1180555555556
2.5277777777778

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Engineering Materials
Iron ore is usually found in the form of

Carbonates
Sulphides
Oxides
All of these

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Engineering Materials
Which of the following has a fine gold colour and is used for imitation jewellery?

Gun metal
Babbitt metal
Aluminium bronze
Silicon bronze

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Engineering Materials
The crystal structure of brass is

Orthorhombic crystalline structure
H.C.P.
F.C.C.
C.C.

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