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

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What characteristic differentiates a spanner wrench?

It is adjustable in size.

It is fixed in size.

It is designed for specific shapes.

A spanner wrench is primarily known for its ability to accommodate various shapes, particularly in nuts and bolts. This characteristic is essential in mechanical applications, where a specific tool is needed to fit certain fasteners. The design of a spanner allows it to grip and apply torque to these specific shapes effectively, enabling the user to tighten or loosen fasteners.

While some tools may be adjustable in size to fit different fasteners, the defining feature of a spanner wrench is its specialization in certain geometric profiles, such as hexagonal or square shapes. This design ensures that it can engage fully with the corners of a fastener, reducing the risk of slipping or rounding off the edges, which is crucial in maintaining the integrity of both the tool and the fastener.

The focus on specific shapes distinguishes it from other tools that might have adjustable sizes or a fixed nature. A rotating handle, while helpful for maneuverability in some tools, does not define a spanner wrench's primary purpose or its critical features.

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It has a rotating handle.

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