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Engineering Materials

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

Babbitt metal
Silicon bronze
Gun metal
Aluminium bronze

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Engineering Materials
Which of the following elements does not impart hardness to steel?

Copper
Chromium
Nickel
Silicon

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Engineering Materials
Delta-iron occurs between the temperature ranges of

900°C to 1400°C
600°C to 900°C
1400°C to 1530°C
400°C to 600°C

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Engineering Materials
Process of Austempering results in

Lamellar layers of carbide distributed throughout the structure
Formation of bainite structure
Martenistic structure
Carburised structure

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Engineering Materials
An example of amorphous material is

Glass
Lead
Silver
Zinc

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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.

None of these
More than
Less than
Equal to

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