The maximum tolerance in a 20 m chain is A. ±2 mm B. ±3 mm C. ±5 mm D. ±8 mm

±2 mm
±3 mm
±5 mm
±8 mm

The correct answer is: A. ±2 mm.

A chain is a series of links connected together in a line. The links are typically made of metal, but can also be made of other materials such as plastic or wood. Chains are used for a variety of purposes, including lifting heavy objects, transporting goods, and securing objects.

The maximum tolerance in a chain is the amount of variation that

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is allowed in the length of the chain. This tolerance is typically specified in millimeters. A tolerance of ±2 mm means that the actual length of the chain can be 2 mm longer or shorter than the specified length.

The tolerance in a chain is important because it affects the accuracy of the chain. A chain with a large tolerance may not be able to be used for precise applications.

The other options are incorrect because they do not represent the maximum tolerance in a 20 m chain.

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