ACI Concrete Strength Testing Technician Practice Test

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Get ready for the ACI Concrete Strength Testing Technician exam with comprehensive quizzes featuring flashcards and multiple choice questions. Each question includes hints and explanations to help you understand all aspects of concrete strength testing.

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When must the calibration of testing machines be verified?

  1. Every month

  2. Within 3 months of last calibration

  3. Within 6 months of last calibration

  4. Once a year

The correct answer is: Within 3 months of last calibration

The verification of the calibration of testing machines must be conducted within 3 months of the last calibration to ensure accuracy and reliability in concrete strength testing. This timeframe is essential because the performance of testing machines can deteriorate over time due to factors such as wear and tear, temperature variations, and other environmental influences. By verifying the calibration within this period, technicians maintain the integrity of the test results and ensure compliance with standards, which is crucial for the safety and performance of concrete structures. Regular calibration checks help identify any issues early, thus preserving the machine's functionality and promoting consistent quality control in testing procedures.

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