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Engineering Materials

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

Magnesium
Copper
Silicon
Lead and bismuth

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Engineering Materials
The material in which the atoms are arranged regularly in some directions but not in others, is called

None of these
Crystalline material
Amorphous material
Mesomorphous material

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Engineering Materials
Basic solution is one which has pH value

Equal to 7
pH value has nothing to do with basic solution
Less than 7
Greater than 7

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Engineering Materials
The percentage of carbon in low carbon steel is

0.3%
0.15%
0.05%
0.5%

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Engineering Materials
Blast furnace is used to produce

Wrought iron
Steel
Pig iron
Cast iron

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Engineering Materials
The alloying element which reduces the formation of iron sulphide in steel is

Chromium
Vanadium
Nickel
Manganese

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