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Engineering Materials

Engineering Materials
The cupola is used to manufacture

Pig iron
Steel
Cast iron
Wrought iron

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Engineering Materials
High carbon steel carries carbon percentage

0.1 to 0.3%
0.6 to 0.8%
0.3 to 0.6%
0.8 to 1.5%

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Engineering Materials
If a refractory contains high content of silicon, it means refractory is

Brittle
Neutral
Acidic
Basic

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Engineering Materials
The machinability of aluminium increases when _________ is added to aluminium.

Magnesium
Silicon
Lead and bismuth
Copper

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Engineering Materials
Grey cast iron has

High tensile strength
Low compressive strength
All of these
Carbon in the form of free graphite

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Engineering Materials
Cementite consist of

6.67% carbon and 93.33% iron
13% cementite and 87% ferrite
13% ferrite and 87% cementite
13% carbon and 87% ferrite

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