ACI Concrete Field Testing Technician - Grade I Practice Exam

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Prepare thoroughly for the ACI Concrete Field Testing Technician - Grade I Exam. Utilize flashcards and multiple-choice questions, which come with hints and thorough explanations. Focus on your path to certification!

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How often should the temperature measuring device be calibrated?

Every six months
Annually
Every two years
Only when damaged

The correct answer is: Annually

The recommended frequency for calibrating the temperature measuring device is annually. This regular calibration ensures that the device remains accurate and reliable in measuring the temperature of concrete. Accurate temperature measurement is crucial because it can significantly affect the properties of the concrete mix, including workability, strength development, and curing efficiency. By calibrating annually, users can maintain confidence in the measurements taken during concrete testing, which is vital for quality control and compliance with industry standards. While other intervals may seem reasonable, they could allow the device to drift out of calibration, leading to potential errors in temperature readings. This can impact the overall integrity of the concrete work, making annual calibration the best practice in maintaining measurement accuracy.