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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is meant by the term 'cohesiveness' in concrete?
💡 Hint: Think about what keeps everything sticky.
Question 2
Easy
Why is the mortar fraction important for pumpable concrete?
💡 Hint: It's like a lubricant for a machine.
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
Which of the following is a key requirement for pumpable concrete?
- High water-cement ratio
- Well-graded aggregates
- Large aggregate size
💡 Hint: Think about how particles fit together.
Question 2
True or False: Cohesiveness in concrete helps prevent segregation during pumping.
- True
- False
💡 Hint: Consider the definition of cohesiveness.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
You are in charge of a large construction project requiring pumpable concrete. The aggregates delivered to your site are not well-graded. Explain the potential issues this may create during pumping and provide mitigation strategies.
💡 Hint: How can mixing improve flow?
Question 2
Design a concrete mix for a specific project where long-distance pumping is necessary. Detail at least three enhancements you would include to ensure the mix is highly pumpable.
💡 Hint: Think about strategies to reduce friction and blockages.
Challenge and get performance evaluation