Practice Volume of Water - 9.2 | 19. Objectives of Mix Design | Civil Engineering Materials, Testing & Evaluation - Vol 2
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Knowledge

9.2 - Volume of Water

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Learning

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What is the effect of a high water-cement ratio on concrete?

💡 Hint: Think about the relationship between strength and water in concrete.

Question 2

Easy

Define workability in concrete.

💡 Hint: Consider the terms mixing and finishing.

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 ideal outcome of selecting an appropriate water-cement ratio?

  • Reduced strength
  • Increased delivery times
  • Higher durability
  • Lower workability

💡 Hint: Consider what happens with optimal mixing conditions.

Question 2

True or False: Higher water content in concrete always lead to higher strength.

  • True
  • False

💡 Hint: Reflect on the established relationship between water and concrete strength.

Solve and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Given a design mix requiring 150 kg of cement with a water-cement ratio of 0.55 and aggregates with 3% surface moisture, how would you calculate the total water required?

💡 Hint: Start by calculating water based on cement, then factor in moisture from aggregates.

Question 2

You are tasked with adjusting a mix for higher workability, where the original calculation defined 200 liters of water. Considering that the desired slump increases by 25mm, how would you adjust your water needed?

💡 Hint: Refer to tables or guidelines provided in IS standards regarding workability adjustments.

Challenge and get performance evaluation