What is a crucial step to prevent clogged nozzles in the aircraft spray system?

Agitating the tank contents is a crucial step to prevent clogged nozzles in the aircraft spray system. When tank contents are agitated, it helps keep the active ingredients and other materials evenly mixed throughout the liquid, preventing sediment and heavier particles from settling at the bottom. This continuous movement helps ensure that the solution being sprayed is homogeneous, thereby minimizing the risk of clogs in the nozzles during application. Clogged nozzles can significantly impact the efficiency of the spraying process and the uniformity of application, potentially leading to missed coverage or inconsistent treatment of the targeted area.

The other procedures mentioned do not directly address the issue of maintaining a consistent mixture, which is essential for preventing clogs. Regularly changing the nozzles may help if they wear out, but it does not prevent clogs if the mixture is not adequately agitated. Similarly, reducing spray pressure or using a coarse mist could potentially impact the way the pesticide is delivered, but neither of these options addresses the fundamental need for a uniform distribution of particles in the tank to prevent buildup and clogs in the nozzles.