Which of the following is NOT a component of a sprayer?

The correct answer is B, as a camera is not a component of a sprayer. A sprayer is designed primarily for applying liquids, such as pesticides or fertilizers, and typically consists of a few key components that facilitate its operation.

The tank is crucial because it holds the liquid that is to be sprayed. The pump is necessary for creating the pressure that propels the liquid from the tank through the sprayer's hoses and out of the nozzle. The strainer also plays an important role, as it helps to prevent clogs in the system by filtering out debris or larger particles from the liquid before it is pumped.

In contrast, a camera does not have any functional relevance to the mechanics of a sprayer. While cameras can be used in certain agricultural applications for monitoring and assessment, they are not integral to the actual process of spraying. Therefore, identifying components such as the tank, pump, and strainer is essential for understanding how a sprayer operates, while recognizing that a camera does not belong to this category of components is equally important.