ACI Concrete Field Testing Technician - Grade I Practice Exam

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Prepare for the ACI Concrete Field Testing Technician - Grade I Exam. Study with flashcards and multiple choice questions, each question has hints and explanations. Ensure your success on exam day!

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What action is taken if the slump mold is too wet before use?

It should be dried completely
It is acceptable to use as is
It should be filled with concrete first
It should be rinsed with water

The correct answer is: It should be dried completely

If the slump mold is too wet before use, the appropriate action is to dry it completely. A wet mold can introduce excess moisture into the concrete mix being tested, leading to inaccurate slump measurements. Proper slump tests require the mold to be clean and dry to ensure that the results reflect the true consistency of the concrete mix being tested. Using a wet mold could skew the results, as the water from the mold would mix with the concrete, potentially increasing the apparent slump. Therefore, ensuring the mold is thoroughly dried before performing the test is crucial for achieving reliable and consistent test results. This practice aligns with the standard protocols of concrete testing, which prioritize accuracy and precision in measurements.