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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is free surface moisture?
💡 Hint: Think about what happens when aggregates are exposed to water.
Question 2
Easy
How does absorption capacity affect water content?
💡 Hint: Consider what absorbing water means for the aggregates.
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 effect of free surface moisture on the water-cement ratio?
- It decreases the water content
- It increases the effective water content
- No effect
💡 Hint: Think about what happens when unnecessary water is added.
Question 2
True or False: Absorption capacity of aggregates increases the amount of effective water available in a mix.
- True
- False
💡 Hint: Why would absorbing water take it away from the mix?
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
You have 800 kg of aggregates with 2% absorption. Calculate the reduced water content that needs to be adjusted in your mix.
💡 Hint: Think about how absorption affects the total available water.
Question 2
If aggregates have 5% free surface moisture and your planned mix requires 200 kg of water, how much total water should you adjust for?
💡 Hint: Remember, free surface moisture adds to our planned amounts.
Challenge and get performance evaluation