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Engineering Materials

Engineering Materials
Shock resisting steels should have

Low wear resistance
Low hardness
Low tensile strength
Toughness

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Engineering Materials
Balls for ball bearings are made of

Cast iron
Carbon-chrome steel
Stainless steel
Mild steel

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Engineering Materials
Weld decay is the phenomenon found with

Cast iron
Nonferrous materials
Mild steel
Stainless steel

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Engineering Materials
The presence of sulphur in pig iron makes

It brittle
It easily machinable
It hard
The casting unsound

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

Cementite
Flakes
Free carbon
Spheroids

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Engineering Materials
The usual composition of a soldering alloy is

Tin, lead and silver
Tin and lead
Tin and copper
Tin, lead and small percentage of antimony

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