With a pneumatic tire roller, how can "pick up" be minimized?

Get ready for the Virginia Highway Heavy Test. Study with multiple choice questions and flashcards, each answer accompanied by hints and explanations. Ace your exam with confidence!

Minimizing "pick up" with a pneumatic tire roller involves understanding the interaction between the tires and the surface being compacted. When a roller operates on cold pavement, there is less adhesion between the tire surface and the pavement. This reduced adhesion helps to prevent the materials, such as asphalt, from sticking to the tires, consequently reducing the "pick up."

In practice, if the pavement is cold, the materials being compacted will not bond as readily to the pneumatic tires. This allows the roller to perform effectively without accumulating aggregate or asphalt on the tires, which is often a problem in warm conditions. Therefore, operating the roller on cold pavement is an effective strategy to mitigate this issue.

Other options may relate to the weight or pressure of the roller but do not directly address the problem of material sticking to the tires as effectively as controlling the temperature of the pavement does.

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