ACI Concrete Field Testing Technician - Grade I Practice Exam

Question: 1 / 400

Which of the following materials can be used as a container for sampling concrete?

Wooden box

Plastic lining

Glass container

Metal pan

A metal pan is a suitable container for sampling concrete because it is durable, non-porous, and easy to clean, which helps ensure that the material does not absorb any moisture or contaminants that could affect the concrete sample's integrity. Metal pans can also withstand the weight and consistency of fresh concrete without deforming or breaking, making them ideal for transportation and storage of the sample until testing can be conducted.

While other materials such as wooden boxes, plastic linings, and glass containers may be used in some contexts, they have limitations. Wooden boxes can absorb moisture and may introduce contaminants. Plastic linings may not be suitable for all types of concrete mixtures or weights. Glass containers can break easily, posing a safety risk and complicating the sampling process. Hence, a metal pan is a preferential choice for ensuring the reliability and consistency of the concrete sample.

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