Practice Requirements of Water for Construction - 6.1 | 6. Water – Requirements and Impurities | Civil Engineering Materials, Testing & Evaluation - Vol 1
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Knowledge

6.1 - Requirements of Water for Construction

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Learning

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What is the optimal pH range for water used in mixing concrete?

💡 Hint: Think about what pH scale values are acceptable for concrete.

Question 2

Easy

Name one impurity that should not be in mixing water for concrete.

💡 Hint: Consider substances that could harm the cement.

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 permissible total dissolved solids (TDS) level for mixing water?

  • 1000 mg/L
  • 2000 mg/L
  • 3000 mg/L

💡 Hint: Recap the values mentioned for mixing water requirements.

Question 2

True or False: Sugar content in mixing water can adversely affect the setting time of concrete.

  • True
  • False

💡 Hint: Think about impacts on hydration and setting.

Solve and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

A construction site is using well water with TDS levels of 3000 mg/L, and chloride levels of 600 mg/L. Discuss the potential impacts this water quality could have on concrete strength and durability.

💡 Hint: Consider how these impurities affect the chemical composition and health of concrete.

Question 2

After using river water for mixing concrete, the project started experiencing rapid setting times and weak concrete after testing. Identify possible impurities and suggest monitoring or testing actions.

💡 Hint: Think about the potential sources of contamination in river water.

Challenge and get performance evaluation