Which statement is true about the B hydraulic system?

Which statement is true about the B hydraulic system?

• A. It powers the brakes.
• B. It does not influence braking.
• C. It powers flaps.
• D. It only powers the LEDs.

Answer: (A)

The B hydraulic system is responsible for providing the hydraulic pressure that actuates the braking system. When you apply the brakes, fluid from the B system pushes the brake pistons in the wheel assemblies, turning hydraulic pressure into the force that slows the aircraft. That direct role in braking makes this statement true. The other options misstate the role: braking relies on hydraulic power, so the system does influence braking; while hydraulics can power other components like flaps, it's not exclusive to the B system, and LEDs are electrical, not hydraulic.

The B hydraulic system is responsible for providing the hydraulic pressure that actuates the braking system. When you apply the brakes, fluid from the B system pushes the brake pistons in the wheel assemblies, turning hydraulic pressure into the force that slows the aircraft. That direct role in braking makes this statement true. The other options misstate the role: braking relies on hydraulic power, so the system does influence braking; while hydraulics can power other components like flaps, it's not exclusive to the B system, and LEDs are electrical, not hydraulic.