Intro to Millwright 2025 – 400 Free Practice Questions to Pass the Exam

Question: 1 / 400

External retaining rings are designed to fit into grooves on which type of object?

Cube Shaped

Cylinder Shaped

External retaining rings are specifically designed to fit into grooves on cylindrical objects. The primary function of these rings is to serve as a stopping mechanism to retain components on a shaft or within a housing, thereby preventing the movement or displacement of these components along the axis of the cylinder. The geometry of cylindrical objects allows for these rings to create an effective interface with the grooves, ensuring a secure fit that can withstand various dynamic forces during operation.

Cylindrical designs are common in applications such as shaft assemblies in motors, pumps, and machinery, where retaining rings play a crucial role in maintaining proper alignment and function. Other shapes like cubes, spheres, or flat surfaces do not provide the same continuity and surface area required for an effective grip, making external retaining rings unsuitable for those geometries.

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Spherical

Flat

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