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ACI Concrete Construction Special Inspector Standards Questions and Answers 100% Correct | Updated 2024

ACI Certification - Concrete Field Testing Technician - Grade 1 - Test Sample Written Exam Questions - CP-1(17) with 100% Correct Answers The Method of determining air content of concrete containing lightweight aggregate is the pressure method. True or False? - Answer- False When making a test cylinder from concrete being used in construction, the field technician must also measure the slump of the concrete. True or False? - Answer- True While the technician is checking the slump of the ...

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1. A 6 by 12 in [150 mm by 300 mm] cylinder mold can be used for concrete containing aggregate with particles not exceeding _____ in size, without the need for wet sieving the concrete. ☑: 2 in. [50 mm] 2. According to ASTM C1064, what is one reason to take the temperature of concrete? ☑: Verify conformance to a specified requirement for temperature of concrete 3. After completing the strike-off procedure, what must be done before weighing the measure and sample? ☑: Clean off any e...

The temperature measuring device shall be cable of accurately measuring the temperature of freshly mixed concrete to 1°F throught a range of____________________________. ☑: 30 - 120°F It is acceptable to measure the temperature of freshly mixed concrete in the forms provided? ☑: The sensor of the temperature measuring device has at least 3 in. of cover in all directions. Composite samples are required even if the only purpose for obtaining the sample is to determine temperature...