Which device is used to measure fuel level in a boat?

The fuel gauge is the device specifically designed to measure the fuel level in a boat. It provides a visual indication of how much fuel is in the tank, typically displayed on the dashboard for easy visibility by the operator. The gauge operates based on a float mechanism inside the fuel tank, which rises and falls with the level of fuel, sending the corresponding signal to the gauge. This helps boat operators monitor fuel levels and plan for refueling, ensuring safe operation and avoiding running out of fuel while on the water.

In contrast, other devices such as a speedometer measures the speed of the vessel, an odometer tracks the distance traveled, and a pressure gauge measures various types of pressure within a system, none of which pertain to fuel level monitoring. This delineation of function highlights how the fuel gauge is essential for managing fuel resources effectively in boating operations.