Practice Visual Inspection (15.1) - Workability of Fresh Concrete

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8 questions

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6 sample questions

Question 1.
What does visual inspection involve?
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Think about what you look for during inspection.
Question 2.
What is the purpose of the slump test?
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Consider what happens to the concrete when it's left alone.
3Question 3.
What is the purpose of visual inspection in fresh concrete?
- To ensure consistency and prevent defects
- To increase workability
- To enhance strength
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Think about why we assess concrete once it is mixed.
4Question 4.
True or False: Bleeding is when water rises to the surface of freshly placed concrete.
- True
- False
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Recall the definition of bleeding in concrete.
Question 5.
A contractor fails to perform a visual inspection before pouring concrete. What potential issues might arise, and how would you address them?
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Think about previous discussions on the signs of poor quality concrete.
Question 6.
Calculate the required number of samples if you are working on a project with an expected total volume of concrete of 50 m3.
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Divide the total volume by the sampling rate.

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