Practice Cbr Laboratory Test (4.3.2.4) - Evaluation of Soil Strength for Pavements

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8 questions

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Exercise
6 questions · about 4 min · pass mark 70%. Hints available.
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6 sample questions

Question 1.
What does CBR stand for?
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Think about what the test measures.
Question 2.
Why is moisture control important in the CBR test?
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Consider how wet soil behaves differently.
3Question 3.
What does a higher CBR value indicate?
- Weaker soil
- Stronger soil
- No impact on soil
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Recall what CBR measures.
4Question 4.
True or False: The CBR test requires uncontrolled moisture conditions.
- True
- False
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Think about the factors affecting test results.
Question 5.
A project site has a CBR value of 15%. If you are tasked to propose improvements to the subgrade, what recommendations would you suggest and why?
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Think about the techniques covered that boost subgrade strength.
Question 6.
Given a scenario where the moisture content exceeds the optimum level during a CBR test, how would you expect the results to be affected, and what could be done to correct the issue?
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Remember the significance of moisture in test integrity.

4 more questions in this section. Enroll free to practise them all.