FAA Powerplant Written Practice Test

What would be a consequence of ice crystals blocking fuel flow in turbine engines?

1. Engine power loss

2. Increased fuel efficiency

3. Improved combustion

4. None of the above

The correct answer is: Engine power loss

Ice crystals blocking fuel flow in turbine engines can lead to significant engine power loss. Turbine engines rely on a steady and adequate flow of fuel to maintain combustion and generate thrust. When ice crystals obstruct the fuel lines or injectors, they restrict the amount of fuel that can reach the combustion chamber. This insufficient fuel supply results in a reduced power output from the engine, which can manifest as a decrease in thrust and overall performance. Maintaining proper fuel flow is crucial for efficient operation, and any interruption can severely affect the engine's ability to perform as intended. Consequently, addressing issues related to ice crystals in fuel systems is essential to prevent power loss and ensure the safe and efficient operation of turbine engines.