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Factors affecting Compaction

In a compacti...

Question

In a compaction test, as the compaction effort is increased, the optimum moisture content

A

decreases

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B

remains same

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C

increases

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D

increases first there after decreases

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Solution

The correct option is A decreases
For a given type of compaction, the higher the compactive effort, the higher the max. dry unit weight & lower is the OMC
$C u r v e - 1 \to L o w e r c o m p a c t i v e e f f o r t,$
$C u r v e - 2 \to H i g h e r c o m p a c t i v e e f f o r t .$

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