ACI Concrete Strength Testing Technician Practice Test

To determine the average width, depth, and line of fracture location of the specimen, you should take measurements across each:

1. Corner

2. Specification

3. Body

4. Dimension

The correct answer is: Dimension

The focus of this question is on the need to accurately measure various aspects of the concrete specimen in order to determine its average width, depth, and line of fracture location. When assessing structural integrity or failure characteristics, it's crucial to gather a comprehensive set of measurements that reflects the specimen's overall characteristics. By measuring across each dimension, you ensure that you capture this information accurately and uniformly, leading to reliable data regarding the specimen's properties. This practice helps to identify any inconsistencies or weaknesses in the material, which can be critical for assessing concrete strength and quality. In the context of fracture analysis, these measurements not only help in determining the average dimensions but also aid in understanding how and where the concrete might fail under stress. Other choices such as corner, specification, and body do not encompass the comprehensive nature of what is needed for accurate evaluation. For instance, focusing only on corners would provide an incomplete picture, and specification and body are less relevant to the specific task of measuring average dimensions for the purpose of fracture analysis. Thus, the choice of taking measurements across each dimension is the most logical and effective method in this context.