5.3 - Timing and Supervision
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
What is slump loss?
💡 Hint: Think about what happens to wet concrete after some time.
What is the role of a supervisor in concrete placement?
💡 Hint: Consider who needs to oversee many workers.
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What time frame should concrete ideally be placed after mixing?
💡 Hint: Think about what's necessary for fresh concrete.
Supervisors should monitor what conditions during concrete placement?
💡 Hint: What keeps the concrete usable?
1 more question available
Challenge Problems
Push your limits with advanced challenges
A construction site experiences an unexpected delay in transportation, causing the concrete to sit for 50 minutes before placement. Describe the potential issues that might arise and the possible corrective actions.
💡 Hint: Where does the time factor come in?
During a site visit, a supervisor discovers the ambient temperature is above 35°C. What steps should they take to maintain concrete quality?
💡 Hint: How does temperature play into concrete setting?
Get performance evaluation
Reference links
Supplementary resources to enhance your learning experience.