What is the hinge point commonly referred to in excavation terminology?

The hinge point in excavation terminology is commonly referred to as the pivot point. This term describes the location where a piece of equipment, such as a backhoe or excavator, rotates or moves around during operations. Understanding the pivot point is crucial for operators as it affects the control and precision of the machine while performing tasks like digging, lifting, and dumping materials. A clear comprehension of the pivot point allows for more effective movements and reduces the potential for damage to the equipment or the worksite.

In this context, the other options represent different concepts. The base pin typically refers to a fixed point on a machine that provides stability or acts as a connection point for the equipment. The articulation point often refers to the joint where parts of the equipment connect and allows movement, but it is not specifically what is meant by hinge point in the context of excavation. The control point usually indicates a predetermined location that informs various aspects of a project, such as elevation or alignment, but it does not relate to the mechanics of movement inherent in the definition of a hinge or pivot point.