When a hydraulic leak is discovered on the green, what amplifier is needed?

In the context of hydraulic systems and issues such as leaks, amplifiers play a crucial role in signal processing. When a hydraulic leak is detected, feedback amplifiers are essential because they provide a means of monitoring and correcting system performance based on the data received from sensors detecting the leak.

A feedback amplifier takes the output signal from a system and feeds it back to the input to compare and adjust the process accordingly. This is particularly important in maintaining the stability and efficiency of hydraulic systems that are sensitive to fluid integrity. It allows the system to assess the extent of the leak and respond by adjusting other variables, such as pressure or fluid supply, to minimize any negative impacts on the operation of the equipment.

The other options, such as input and output amplifiers, serve different functions in a system. Input amplifiers are primarily used to increase the strength of incoming signals, while output amplifiers deal with the power level of the output signals. Control amplifiers, while relevant in maintaining system operations, do not specifically relate to the immediate monitoring and corrective action needed within the context of a leak. Therefore, the feedback amplifier is the most appropriate choice for managing the situation effectively.