Canadian Council of Independent Laboratories (CCIL) Practice Exam 2025 – All-in-One Comprehensive Guide to Exam Success!

Question: 1 / 400

To what precision should the results of the slump flow test be reported?

To the nearest 5mm

To the nearest 10mm

The results of the slump flow test should be reported to the nearest 10mm. This level of precision is standard practice in many concrete testing procedures, including the slump flow test, as it balances the need for sufficient accuracy while focusing on the practical usability of the data. Reporting to the nearest 10mm enables consistent communication of results among professionals in the field while ensuring that the varying degrees of precision required for engineering decisions are adequately met.

The choice of a 10mm precision reflects the typical variances encountered in the slump flow test due to factors such as material inconsistency, environmental conditions, and slight measurement variations. Consequently, a reporting standard of 10mm effectively conveys relevant information without implying an unrealistic degree of precision, which may not be attainable given the nature of the test and the materials involved.

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To the nearest 15mm

To the nearest 20mm

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