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Engineering Materials

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

Aluminium bronze
Babbitt metal
Gun metal
Silicon bronze

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Engineering Materials
Cast iron is a

Malleable material
Ductile material
Brittle material
Tough material

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Engineering Materials
Constantan an alloy used in thermocouples is an alloy of

Copper and tin
Copper and nickel
Copper and zinc
Copper and iron

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Engineering Materials
Hardness of upper bainite (acicular structure) is about

RC 48
RC 57
RC 80
RC 65

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Engineering Materials
The portion of the blast furnace below its widest cross-section is called

Stack
Bosh
Throat
Hearth

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

Tyres
Bosh
Stack
Throat

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