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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the primary reason for having well-graded aggregates?
💡 Hint: Think about what reducing voids would mean for material costs.
Question 2
Easy
Why might rounded aggregates be preferred over angular ones?
💡 Hint: Consider how they fit together.
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
Why is grading important in concrete mix design?
- It increases workability
- It reduces cement demand
- It modifies setting time
💡 Hint: Think about how effective packing can change material requirements.
Question 2
True or False: Angular aggregates ensure better workability than rounded aggregates.
- True
- False
💡 Hint: Consider how the shape affects movement and alignment.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A construction project specifies a maximum aggregate size of 20mm for concrete. Discuss the possible effects on workability, strength, and overall mix design.
💡 Hint: Think about how dimensions and particle interaction influence behavior in mixes.
Question 2
Evaluate a scenario where overly angular aggregates are supplied instead of rounded ones. What adjustments can be made to compensate in the mix design?
💡 Hint: Consider how you can adjust water to modify the flow of a stiff mix.
Challenge and get performance evaluation