ACI Concrete Field Testing Technician - Grade I Practice Exam

Which action should be taken if no slump is observed?

1. Record it as 0 slump

2. Reassess the mixing process

3. Repeat the test

4. All of the above

The correct answer is: All of the above

Recording a slump of zero is essential for accurate documentation in the field. It reflects the mix's actual workability and provides important information for quality control and future adjustments. Reassessing the mixing process is crucial because a zero slump could indicate issues with the mix components, such as insufficient water or improper proportioning. Investigating these factors can help ensure the concrete meets the desired specifications. Repeating the slump test may be necessary to confirm the initial observation. Variations in test execution can sometimes influence results, and repeating the test helps verify the findings under consistent conditions. In summary, if no slump is observed, it is important to document it, evaluate the mixing process for potential errors, and consider repeating the test to ensure accuracy, which collectively makes the comprehensive response the best course of action.