1 / 7 Concrete Final Exam QUESTIONS AND ANSWERS RATED A+ 2023|2024 UPDATE

Concrete Final Exam QUESTIONS AND ANSWERS RATED A+ 2023|2024 UPDATE 1. Prior to placing concrete for pavements or slabs on grade, what should be done?: Ans- Subgrade should be compacted, trimmed, and moistened; forms should beerected; and the reinforcing steel members should be securely in place. 2. In hot weather, what is important to do to the subgrade?: Ans- It needs to bemoistened to prevent the dry ground from sucking water out of the concrete. 3. What is true about forms for concrete?: Ans- Wood forms should be moistened to prevent water loss from the concrete, all forms should be able to be removed fromthe concrete without damaging it. Steel should be clean and free of rust, steel formscan be below freezing when concrete is poured. 4. How should concrete be deposited?: Ans- Continuously as near as possible to itsfinal position. 5. How do you deposit concrete on a slab pour?: Ans- It should be started