Practice Trial Mixes - 7.3.7 | 7. High Performance Concrete | Concrete Technology
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Knowledge

7.3.7 - Trial Mixes

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Learning

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What is the primary purpose of a trial mix?

💡 Hint: Think about validation of lab designs.

Question 2

Easy

Define slump in the context of concrete.

💡 Hint: It involves how the concrete flows or settles.

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 purpose does a trial mix serve in concrete design?

  • A. To test a design before actual mixing
  • B. To predict weather impact on concrete
  • C. To evaluate aesthetics of concrete
  • D. To determine the color of concrete

💡 Hint: Focus on the trial mix's role in testing.

Question 2

True or False: The slump test measures the compressive strength of concrete.

  • True
  • False

💡 Hint: Think about what slump specifically assesses.

Solve 1 more question and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

You performed a trial mix and found the concrete to have a slump of only 2 cm, which is too low for your project. Discuss two modifications you can make to the mix to improve workability.

💡 Hint: Think about common ways to adjust for low workability.

Question 2

After several trial mixes, you notice that your concrete consistently lacks strength compared to your target. Propose a detailed plan to diagnose and remedy this issue.

💡 Hint: Focus on the balance of materials in your mix design.

Challenge and get performance evaluation