Georgia Pest Control Practice Test

Which of the following is not a common pattern that pesticides are distributed in when using a nozzle tip?

1. Mist

2. Pin-stream

3. Fan

4. Cone

The correct answer is: Mist

The distribution patterns of pesticides when using a nozzle tip are important for ensuring effective coverage and minimizing drift. Among the options provided, mist is not typically considered a common pattern. Mist refers to very fine droplets that can lead to significant drift, making it less effective for targeted applications. It often results in uneven coverage and difficulty in controlling the area being treated, especially in outdoor environments where wind can carry the small droplets away from the intended area. In contrast, pin-stream, fan, and cone patterns are all designed for specific applications. The pin-stream pattern provides a narrow, concentrated stream that allows for precise targeting of pests. The fan pattern creates a wider swath, useful for covering large areas evenly. The cone pattern produces a broader but less concentrated spray, allowing for a balanced coverage that can address longer vegetation or larger areas effectively. Understanding the characteristics of each distribution pattern helps pest control professionals choose the right nozzle type based on their specific treatment needs, ensuring both efficacy and safety in pesticide application.