Red Seal Concrete Finisher Practice Exam

What could be a consequence of neglecting proper curing of concrete?

1. It will improve the durability

2. It may lead to surface scaling

3. It enhances water retention

4. It allows for faster setting

The correct answer is: It may lead to surface scaling

Neglecting proper curing of concrete can indeed lead to surface scaling. Curing is crucial because it helps maintain the right moisture levels and temperature necessary for the hydration process of the cement. When concrete is not cured properly, the surface may dry out too quickly, leading to a brittle surface that can flake or scale off, especially under freeze-thaw conditions. This not only affects the aesthetic quality of the concrete but also its structural integrity and overall durability. The other options presented do not align with the consequences of poor curing. For instance, proper curing does not improve the durability if neglected; instead, it risks lower performance. Enhanced water retention is not a consequence of neglect, as improper curing typically leads to inadequate moisture, which is contrary to water retention. Additionally, faster setting is usually undesirable since concrete requires adequate time to set and cure properly; rushing this process can further compromise its strength and stability. Therefore, the correct relationship here is that neglecting proper curing primarily results in surface scaling, emphasizing its importance in the concrete finishing process.