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Engineering Materials

Engineering Materials
Age-hardening is related with

German silver
Duralumin
Stainless steel
Gun metal

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Engineering Materials
Blast furnace produces following by reduction of iron ore

Pig iron
Cast iron
Wrought iron
Malleable iron

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Engineering Materials
Cemented carbide tools are not found to be suitable for cutting

Brass
Steel
Cast iron
Aluminium

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Engineering Materials
The machinability of steel is improved by adding

Nickel and chromium
Nickel
Chromium
Sulphur, lead and phosphorus

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Engineering Materials
The portion of the blast furnace below its widest cross-section is called

Stack
Hearth
Throat
Bosh

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Engineering Materials
When elements like nickel, chromium, copper and molybdenum are added to the molten cast iron, it produces

Malleable cast iron
Alloy cast iron
Nodular cast iron
White cast iron

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