Engineering Materials
Chilled cast iron has

A low percentage of graphite
A very high percentage of graphite
Graphite as its basic constituent of composition
No graphite

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Engineering Materials
Thermoplastic materials are those materials which

Are formed into shape under heat and pressure and results in a permanently hard product
Are used as a friction lining for clutches and brakes
Do not become hard with the application of heat and pressure and no chemical change occurs
Are flexible and can withstand considerable wear under suitable conditions

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