Massachusetts Unrestricted Construction Supervisor License Practice Test

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What is the best type of concrete to use in areas where light sulfate resistance is required?

  1. Type 1 Portland Cement

  2. Type 2 Portland Cement

  3. Type 3 Portland Cement

  4. Type 4 Portland Cement

The correct answer is: Type 2 Portland Cement

Type 2 Portland Cement is specifically formulated to provide moderate sulfate resistance, making it the most suitable choice for areas where light sulfate resistance is required. This type of cement helps minimize the risk of sulfate attack on the concrete, which can occur when concrete is exposed to environments containing sulfate ions, such as soil or groundwater. Using Type 2 Portland Cement in these conditions allows for adequate performance and durability, ensuring that the concrete structure can withstand environmental challenges without significant degradation over time. This makes it particularly advantageous in areas where sulfates are present but not in extremely high concentrations. While the other types of Portland cement, such as Type 1, Type 3, and Type 4, serve different purposes and are designed for high strength or low heat of hydration, they do not provide the same level of sulfate resistance as Type 2. Therefore, for applications requiring light sulfate resistance, Type 2 is the optimal choice.

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