General Contractor Practice Exam

At what angle does separation of concrete typically occur?

1. 30 degrees

2. 45 degrees

3. 60 degrees

4. 1:02 degrees

The correct answer is: 1:02 degrees

The separation of concrete typically occurs at an angle of 1:02 degrees. This angle is relevant in the context of the concrete's bond and its behavior under stress, particularly when considering how concrete adheres to forms or reinforcements and how it may separate from these surfaces during the curing and setting processes. Understanding that concrete, as a rigid material, can experience tension and shear forces allows one to see how these forces can lead to separation. This specific angle reflects the physics of concrete and its interaction with other materials, providing a practical guideline for contractors when dealing with placement and curing processes. The other angles mentioned are not typical measurements related to concrete separation. They may represent theoretical or situational angles in different contexts but do not directly apply to the standard behaviors of concrete when separating from forms.