Illinois Field Crop Applicators Practice Test

High flow nozzles are characterized by their:

1. Low pressure output

2. Pre-orifice and turbulence chamber design

3. Ability to spray fine droplets

4. Uniform droplet size distribution

The correct answer is: Pre-orifice and turbulence chamber design

High flow nozzles are specifically designed to deliver higher volumes of liquid, which is why the pre-orifice and turbulence chamber design is a key feature. This unique design helps regulate the flow rate and enhances the mixing of the liquid, ensuring a more consistent application even at high flow rates. The turbulence chamber works to create more uniform droplet sizes and minimizes variations in application despite the increased flow. While low pressure output, ability to spray fine droplets, and uniform droplet size distribution can be characteristics associated with other types of nozzles, high flow nozzles are distinctly recognized for their capability to handle larger volumes effectively without compromising operational efficiency. Understanding this design feature is crucial for applying pesticides or fertilizers efficiently, as it impacts not only the coverage but also the potential for drift and environmental impact.