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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What happens when chlorides are present in water used for concrete?
💡 Hint: Think about how chlorides interact with steel.
Question 2
Easy
What are sulphates known to do in concrete?
💡 Hint: Consider their effect on the cement's reaction.
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 type of impurities can severely affect the strength of concrete?
- Chlorides
- Sulfates
- Both A and B
💡 Hint: Consider the impact of both on hydration.
Question 2
True or False: Chlorides can cause premature hardening of concrete.
- True
- False
💡 Hint: Reflect on what premature hardening means.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A construction engineer is tasked to use concrete in a heavy traffic area. The local water source has high chloride content. What steps could the engineer take to ensure the concrete's strength?
💡 Hint: Think about ways to enhance water quality.
Question 2
Two concrete samples were made, one with clean water and one with water containing high levels of sulphates. After curing, the sulphate-treated sample cracked significantly more. What are the implications for engineers?
💡 Hint: Reflect on testing protocols for water quality.
Challenge and get performance evaluation