Professional Courses
Industry-relevant training in Business, Technology, and Design to help professionals and graduates upskill for real-world careers.
Categories
Interactive Games
Fun, engaging games to boost memory, math fluency, typing speed, and English skills—perfect for learners of all ages.
Typing
Memory
Math
English Adventures
Knowledge
Enroll to start learning
You’ve not yet enrolled in this course. Please enroll for free to listen to audio lessons, classroom podcasts and take practice test.
Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is mixing duration?
💡 Hint: Consider why mixing well is essential.
Question 2
Easy
Name one guideline from IS 4925.
💡 Hint: Think about standards for concrete mixing.
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 purpose of IS 4925?
- To provide concrete quality standards
- To set minimum mixing times
- To define concrete types
💡 Hint: Think about standards and guidelines in concrete mixing.
Question 2
True or False: Over mixing concrete is beneficial for its workability.
- True
- False
💡 Hint: Reflect on the chemical behavior of concrete over time.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A mixer operates with a batch size of 6m³, and its cycle time is 5 min. How much can it produce in one hour at 70% efficiency?
💡 Hint: Use the formula given in class about calculating productivity.
Question 2
Discuss the implications of adding water late in the mixing cycle and the impact on concrete workability, citing IS 4925.
💡 Hint: Consider the critical timing of material addition in the subclass of concrete mixing.
Challenge and get performance evaluation