Florida DOT Concrete Batchman/Operator Practice Exam

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How do you convert Free Moisture % into a Numeric Value?

Free Moisture % * 100
Free Moisture % / 100
Free Moisture % + 100
Free Moisture % - 100

The correct answer is: Free Moisture % / 100

To convert Free Moisture % into a numeric value, it is essential to understand that percentage is a way of expressing a number as a fraction of 100. Therefore, when you have a Free Moisture percentage, dividing that value by 100 will provide you with its decimal representation. This decimal representation is crucial for calculations in concrete batching, as it allows for precise measurement of water content in relation to the total weight of dry materials. For example, if you have a Free Moisture % of 5%, dividing 5 by 100 yields 0.05. This means that for every 100 units of dry material, there are 5 units of water, which affects the overall mix design. This conversion is fundamental in ensuring that calculations for mixing concrete are accurate and in compliance with required specifications. Understanding this transformation assists batch operators in maintaining the quality and consistency of concrete mixtures.