Construction Materials

31) Pegmatite is an example of

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intrusive igneous rock

32) Laterite is an example of

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agriIIaceous rock

33) what is the principal constituent of calcareous rocks.

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lime

34) Slate and marble stone belong to

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metamorphic rocks

35) what is the principal constituent of silicious rocks.

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sand

36) The agrillaceous rocks have their principal constituents as

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clay

37) Lime stone comes under the category

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All the above

38) to which category does the sand stone belong.

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sedimentary rocks

39) Basalt can be classified as

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extrusive igneous

40) Which of the following has highest crushing strength

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gneiss

Subject Notes

Objective Box

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