AG Mechanics CDE Practice Exam

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Prepare effectively for the AG Mechanics CDE exam with our engaging quiz. Featuring multiple-choice questions and detailed explanations, you can increase your knowledge of agricultural mechanics and develop the skills necessary for success in the competition.

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The process by which concrete hardens by adding water is called?

  1. Dehydration

  2. Evaporation

  3. Hydration

  4. Oxidation

The correct answer is: Dehydration

The correct answer is not A, Dehydration. Dehydration refers to the process of removing water from a substance. In the context of concrete, the process by which concrete hardens by adding water is called hydration. When water is added to the concrete mixture, a chemical reaction occurs between the water and the cement, forming strong bonds that contribute to the hardening of the concrete. This process is essential for the concrete to gain strength and durability over time.

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