Practice Classification Of Aggregates (2.1) - Cement - Civil Engineering Materials, Testing & Evaluation

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9 questions

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6 sample questions

Question 1.
What are fine aggregates?
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Think of common beach sand.
Question 2.
Give an example of coarse aggregates.
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What do you put in the concrete mix to provide bulk?
3Question 3.
What size particles make up fine aggregates?
- Larger than 4.75 mm
- Smaller than 4.75 mm
- Between 5 mm and 10 mm
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Think of beach sand.
4Question 4.
True or False: Coarse aggregates are smaller than fine aggregates.
- True
- False
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Remember the sieve sizes.
Question 5.
Calculate the ideal aggregate mix for a small concrete slab. You want to use a total of 0.5 cubic meters of concrete. Include specific percentages for fine, coarse, and recycled aggregates.
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Start by referring to the typical ratios based on your requirements.
Question 6.
Discuss the advantages and disadvantages of using recycled aggregates in concrete mixes worried about strength and durability.
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Consider both short-term and long-term project goals.

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