NCCER Millwright Practice Exam

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Each view of an orthographic projection shows the shape of an object from which perspective?

The top view only
A 360-degree angle
The front and side
Different angles as specified

The correct answer is: Different angles as specified

In orthographic projection, each view represents the object from a specific perspective, which is defined by the angles specified for those views. This method of projection allows for a comprehensive understanding of the object's dimensions and shape by displaying multiple perpendicular views, usually the front, top, and side, on a single 2D plane. This approach facilitates detailed visualization without distortion, ensuring accurate measurements and proportions can be taken from each view. It provides a clear representation of the object's dimensions along different axes, making it particularly useful for engineers and architects when planning and constructing designs. The other perspectives listed do not accurately capture the essence of orthographic projection. For instance, focusing only on the top view or specific angles lacks the comprehensive representation that orthographic views provide. Thus, specifying "different angles as specified" aligns perfectly with the nature of orthographic projection, encapsulating its capability to display various aspects of an object for thorough analysis.