Which projection technique allows for viewing multiple sides of an object at once?

The technique that allows for viewing multiple sides of an object at once is called multiview drawing. This approach involves creating a series of orthographic projections, which depict the object from two or more different perspectives—typically the front, top, and side views. By using multiview drawings, engineers and designers can present a comprehensive representation of an object's dimensions and features, making it easier to understand its geometry and technical specifications.

In contrast, other techniques like pictorial drawing, exploded view drawing, and profile drawing serve different purposes. Pictorial drawings provide a more three-dimensional representation that can be easily understood but typically show only a single view. Exploded view drawings illustrate how parts fit together by separating them along the axes, but they do not show multiple sides of the object simultaneously. Profile drawings focus on a specific contour or silhouette of an object rather than providing a detailed view from multiple orientations. Thus, multiview drawing stands out as the most effective method for visualizing an object from various angles.