Wheel Brakes incorporate which system to prevent wheel skid?

• A. Hydraulic reservoir
• B. Temperature sensor
• C. Anti-skid control
• D. Anti-skid system

Answer: (D)

Preventing wheel skid when braking relies on an anti-skid system. This system uses wheel-speed sensors, a control unit, and hydraulic actuators to modulate braking pressure at each wheel, keeping wheel speed in line with the aircraft’s velocity and preventing tire lock during braking. By dynamically adjusting pressure, it maintains braking effectiveness and directional control across different surface conditions and speeds.

The hydraulic reservoir is simply part of the brake fluid supply and doesn’t actively prevent skidding. A temperature sensor monitors brake temperature, not wheel slip. The term anti-skid control refers to the functionality within the system, but the complete and standard designation for this capability is the anti-skid system, which encompasses sensing, control logic, and actuating components.