Practice Acceptance Criteria Of Rmc (10.3) - Acceptability Criteria in Concrete Mix Design

Practice: Acceptance Criteria of RMC

Lesson 10.3Acceptability Criteria in Concrete Mix Design

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8 questions

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3 cards from this section. Quick, good the night before a test.
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6 questions · about 4 min · pass mark 70%. Hints available.
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2 questions · about 1 min · pass mark 70%. Hints available.
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6 sample questions

Question 1.
What is the purpose of acceptance criteria for RMC?
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Think about the quality assurance in construction.
Question 2.
What two key tests are performed to check RMC strength?
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These are related to time intervals post-mixing.
3Question 3.
What is the maximum allowable slump decrease for RMC with superplasticizers?
- 5%
- 10%
- 15%
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Consider industry standards for concrete placement.
4Question 4.
True or False: Only the 28-day cube test results are essential for RMC acceptance.
- True
- False
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Reflect on the testing intervals discussed.
Question 5.
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.
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Consider retesting the materials and reviewing admixtures used.
Question 6.
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?
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Think about how to balance immediate and long-term quality control.

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