What will a high wing fuel injected engine require?

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Multiple Choice

What will a high wing fuel injected engine require?

Explanation:
Fuel injection relies on pressurized fuel to deliver the exact amount to each injector. Even though the tanks in a high-wing airplane sit above the engine, gravity alone doesn’t provide a stable, sufficient pressure for the injectors across all attitudes and power settings. A fuel pump is needed to furnish a consistent, controllable fuel pressure to the injection system. In practice, these airplanes use an engine-driven pump for normal operation and often an electric auxiliary pump for priming or when extra pressure is needed. The vacuum system is separate and used for instruments, not fuel delivery. So, a fuel pump is required.

Fuel injection relies on pressurized fuel to deliver the exact amount to each injector. Even though the tanks in a high-wing airplane sit above the engine, gravity alone doesn’t provide a stable, sufficient pressure for the injectors across all attitudes and power settings. A fuel pump is needed to furnish a consistent, controllable fuel pressure to the injection system. In practice, these airplanes use an engine-driven pump for normal operation and often an electric auxiliary pump for priming or when extra pressure is needed. The vacuum system is separate and used for instruments, not fuel delivery. So, a fuel pump is required.

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