State any two engineering uses of igneous rock.

State any two engineering uses of igneous rock.
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2 Answers

Answer :

Uses of Igneous rock:

1. As it is strongest rock, can be used to manufacture the aggregates, gravels for concrete work of building.

2. It is useful to use it as boulders for road construction work.

3. It is also useful in the form of ballast in the railway tracks.

4. It plays a strong support for various foundations of number of civil engineering structures.
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Answer :

i) They are used architecturally as decorative work for flooring and walls

ii) Crushed igneous rock can be used as aggregate for extremely high strength concrete 
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