Which engines have hydraulic pumps on the 737?

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Prepare for the USAA Oral Test. Study with flashcards and multiple-choice questions with hints and explanations. Get ready for your exam!

Multiple Choice

Which engines have hydraulic pumps on the 737?

Explanation:
The test is about where the engine-driven hydraulic pumps are located on a 737. The 737 is a twin-engine aircraft with engines numbered 1 and 2. Each of these engines has a hydraulic pump driven by its accessory gearbox, supplying the aircraft’s hydraulic power. Since there are only two engines, the engines with hydraulic pumps are 1 and 2. Engines 3 and 4 don’t exist on this model, so they don’t have engine-driven hydraulic pumps. (Backup hydraulics can come from electric pumps, but the question focuses on engine-driven pumps.)

The test is about where the engine-driven hydraulic pumps are located on a 737. The 737 is a twin-engine aircraft with engines numbered 1 and 2. Each of these engines has a hydraulic pump driven by its accessory gearbox, supplying the aircraft’s hydraulic power. Since there are only two engines, the engines with hydraulic pumps are 1 and 2. Engines 3 and 4 don’t exist on this model, so they don’t have engine-driven hydraulic pumps. (Backup hydraulics can come from electric pumps, but the question focuses on engine-driven pumps.)

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