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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the purpose of acceptance criteria for RMC?
💡 Hint: Think about the quality assurance in construction.
Question 2
Easy
What two key tests are performed to check RMC strength?
💡 Hint: These are related to time intervals post-mixing.
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
What is the maximum allowable slump decrease for RMC with superplasticizers?
- 5%
- 10%
- 15%
💡 Hint: Consider industry standards for concrete placement.
Question 2
True or False: Only the 28-day cube test results are essential for RMC acceptance.
- True
- False
💡 Hint: Reflect on the testing intervals discussed.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A batch of RMC has a 28-day compressive strength of 22 MPa. The design specification was for 25 MPa. Discuss the actions that should be taken next.
💡 Hint: Consider retesting the materials and reviewing admixtures used.
Question 2
If a contractor discovers that the slump of delivered RMC is too low upon arrival on site, what immediate steps should they take to assess and rectify the situation?
💡 Hint: Think about how to balance immediate and long-term quality control.
Challenge and get performance evaluation