Practice Aggregates For Concrete (3) - Aggregates for Concrete

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9 questions

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6 sample questions

Question 1.
What is the classification of aggregates based on size?
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Think about the sieve sizes.
Question 2.
Name one property of aggregates.
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It's a measurement related to density.
3Question 3.
What type of aggregates are smaller than 4.75 mm?
- Fine Aggregates
- Coarse Aggregates
- All-in Aggregates
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Think about the sieve classification.
4Question 4.
True or False: Coarse aggregates provide compressive strength to concrete.
- True
- False
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Consider the size and role of these aggregates.
Question 5.
Calculate the Fineness Modulus of a sample of sand if 25% is retained on a 4.75 mm sieve, 15% on a 2.36 mm sieve, 20% on a 1.18 mm sieve, 30% on a 600 μm sieve, and 10% on a 300 μm sieve.
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Sum the percentages for all relevant sieves.
Question 6.
Discuss how the shape of aggregates can impact the strength and workability of concrete mixtures. Provide examples.
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Consider what happens when you stack different shaped items together.

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