Practice Hand Mixing (4.1) - Workability of Fresh Concrete

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8 questions

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

Question 1.
What materials are needed for hand mixing concrete?
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Think about what goes into a concrete mixture.
Question 2.
Why is it important to use a clean mixing surface?
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Consider the impact of dirt on concrete.
3Question 3.
What is the main benefit of hand mixing concrete?
- Speed
- Cost-effectiveness
- Quality
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Consider which method saves resources in small projects.
4Question 4.
True or False: Hand mixing is suitable for large-scale projects.
- True
- False
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Think about how much concrete would be needed.
Question 5.
If a small project requires a specific ratio of 1 cement, 2 sand, and 3 gravel, how much of each ingredient would you need for 5 bags of cement?
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Use the ratios given to calculate each material based on cement bags.
Question 6.
After mixing, you notice the mixture is too runny. What adjustments can you make?
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Think about what materials are missing to thicken the mix.

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