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Engineering Materials

Engineering Materials
In grey cast iron, carbon is present in the form of

Flakes
Spheroids
Cementite
Free carbon

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Engineering Materials
Connecting rod is usually made of

Low carbon steel
Medium carbon steel
High carbon steel
Aluminium

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

Phosphor bronze
White metal
Monel metal
Silicon bronze

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Engineering Materials
In malleable iron, carbon is present in the form of

Nodular aggregates of graphite
Free carbon
Cementite
Flakes

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Engineering Materials
Balls for ball bearings are made of

Cast iron
Mild steel
Carbon-chrome steel
Stainless steel

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Engineering Materials
The temperature at which ferromagnetic alpha iron transforms to paramagnetic alpha iron is

Below recrystallization temperature
1050°C
770°C
910°C

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