ACI Concrete Field Testing Technician - Grade I 2025 – 400 Free Practice Questions to Pass the Exam

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Question: 1 / 400

Can a plastic container be used for the measure in the slump test?

True

The use of a plastic container for the slump test is not permissible because it can affect the accuracy of the test results. The slump test requires a rigid, non-deformable container to ensure that the sample is properly supported and that the shape and consistency of the concrete can be measured accurately. A plastic container may flex or deform under the weight of the concrete, leading to inconsistent measurements and unreliable results.

Rigid materials, typically metal, are specified to prevent any variations in the shape of the container that could impact the slump reading. Therefore, using anything other than the designated rigid container, such as a metal or properly designed concrete measuring container, would not meet the testing standards established by ACI. This ensures the integrity of the test results and maintains the quality control necessary for concrete sampling and testing procedures.

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False

Only if it is reinforced

Yes, but only for small tests

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