Compaction

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This page contains MCQs based on Compaction, its effect, tests on compaction, the result of compaction 

1. In the Compaction test, with the increase in compaction energy



... Answer is B
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2. What is the number of blows required for compacting each layer for 2.25L mould in compaction test?


... Answer is C
For 1L mould 25 blows per each layer shall be provided
 

3. Which among the following has highest OMC?

... Answer is A
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4. Factors affecting the compaction are

... Answer is D

 

5. Vibrator roller are useful for compacting__________

... Answer is A

 

6. Clayey soil are best compacted by


... Answer is C

 

7. Compaction of soil is measured in terms of


... Answer is A

 

8. Optimum moisture content is the moisture content at which

... Answer is D

 

9. Clay particles on the wet side of optimum moisture content exibits

... Answer is C
For a given compactive effort, soils have a flocculated structure on the dry side (i.e. soil particles are oriented randomly), whereas they have a dispersed structure on the wet side (i.e. particles are more oriented in a parallel arrangement perpendicular to the direction of applied stress)

 

10. The 95% saturation line and 5% air voids line are______




... Answer is A
100% saturation line and 0% sair void line are same

 

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