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What is the total diameter of a 4L-28 "V" drive belt?

  1. 280 in.

  2. 35 in.

  3. 28 in.

  4. 2.80 in.

The correct answer is: 28 in.

The total diameter of a 4L-28 "V" drive belt is determined by the designation itself. The "28" in the part number indicates that the belt has a total circumference of 28 inches. In the context of belts, this represents the effective length of the belt when measured around its pathway, hence the relationship between the part number and the diameter calculation is straightforward. Understanding that the labels used for belts often directly convey physical dimensions is essential; in this case, the total diameter directly correlates to the "28" figure. The other options refer to measurements that do not correspond to the designation of the 4L-28 belt, clarifying that the value of 28 inches is indeed the correct representation of its diameter.