Florida DOT Concrete Batchman/Operator Practice Exam

Which of the following items must plant personnel check for in the mixer?

1. Drum condition and water gauge

2. Water gauge and load weight

3. Manufacturer's rating plate and drum temperature

4. Weight scale and manual controls

The correct answer is: Drum condition and water gauge

The correct item for plant personnel to check in the mixer is the condition of the drum and the water gauge. Ensuring that the drum is in good condition is vital for safe operation and efficient mixing of concrete. A well-maintained drum ensures that materials can be mixed thoroughly without risk of contamination or malfunction. The water gauge is equally important as it allows operators to measure and regulate the amount of water being added to the mix. Proper water content is essential for achieving the desired properties of the concrete, affecting its strength, workability, and durability. When plant personnel focus on the drum condition and water gauge, they are taking proactive steps to ensure the mixer functions correctly, which ultimately leads to better quality concrete. This is crucial in the concrete production industry, where the consistency and reliability of the mixture can significantly impact structural integrity and project outcomes.