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Engineering Materials

Engineering Materials
The metal suitable for bearings subjected to light loads, is

White metal
Monel metal
Phosphor bronze
Silicon bronze

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Engineering Materials
The presence of sulphur in pig iron makes

It hard
The casting unsound
It easily machinable
It brittle

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Engineering Materials
Permalloy is a

None ferrous alloy
Polymer
Nickel and iron alloy having high permeability
Kind of stainless steel

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Engineering Materials
Heavy duty leaf and coil springs contain carbon of the following order

0.005
0.002
0.008
0.01

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Engineering Materials
Delta iron occurs at temperature of

Between 910°C and 1400°C
Above melting point
Between 1400°C and 1539°C
Room temperature

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Engineering Materials
Which of the following metal is used in making electrical resistance wire for electric furnaces and heating elements?

Nichrome
Babbitt metal
Monel metal
Phosphor bronze

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