Which of the following is a common sign of a worn nozzle?

A common sign of a worn nozzle is an inconsistent spray pattern. When a nozzle becomes worn, it can lead to the spray being uneven, causing some areas to receive more pesticide or herbicide while other areas might receive too little or none at all. This inconsistency can affect the effectiveness of the application, as proper coverage is essential for pest control measures to work effectively.

In contrast, excessive pressure buildup typically suggests a blockage rather than wear, while low operational noise does not directly correlate with nozzle wear. Longer cleaning times might occur due to other maintenance issues, but they are not indicative of a worn nozzle specifically. Recognizing an inconsistent spray pattern is crucial for applicators to ensure that their equipment is functioning properly and effectively treating the areas of concern.