Regarding fuel heaters, which statement is true?

In the context of aircraft fuel systems, fuel heaters are critical components designed to prevent fuel freeze issues and ensure proper fuel flow, especially in cold weather conditions. If one of the statements made regarding fuel heaters refers to their ability to maintain fuel fluidity at low temperatures, it reinforces their role in minimizing viscosity and enhancing pumpability.

The truth in the first statement may highlight specific operational parameters or design features of fuel heaters that are standard in various aircraft configurations, confirming their essential purpose. This could involve details about how fuel heaters operate, such as the mechanisms employed to warm the fuel—a function vital for maintaining optimal performance and safety of the fuel system.

The second statement might present information that is either not relevant, outdated, or simply untrue regarding fuel heater operation, thus illustrating the importance of precise and accurate technical knowledge in the aviation field. Therefore, affirming that only one statement is true underlines the necessity for clear and correct understandings of aircraft systems, which ultimately enhances reliability in fuel management and aircraft performance.