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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What does M25 signify in concrete mix?
💡 Hint: Think about how much weight M25 can support.
Question 2
Easy
What is W/C ratio?
💡 Hint: This ratio affects the strength of concrete.
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 characteristic strength of M25 concrete?
- 25 MPa
- 30 MPa
- 20 MPa
💡 Hint: Think about the values associated with M grades.
Question 2
True or False: The W/C ratio affects both the strength and workability of concrete.
- True
- False
💡 Hint: Recall how water impacts concrete properties.
Solve 2 more questions and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Calculate the total weight of the materials needed for 5 m³ of M25 concrete using a W/C ratio of 0.45.
💡 Hint: Remember to multiply by the total volume of concrete you are designing for.
Question 2
If the specific gravity of aggregates changes, how would you adjust the mix calculations?
💡 Hint: Think about how density affects volume calculations.
Challenge and get performance evaluation