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Which of these statements about an auto-brake system are correct or incorrect?

1. Proper functioning of an auto-brake system requires proper functioning of the anti-skid system
2. In the RTO mode a maximum constant deceleration is applied

  • A
    1 is correct, 2 is incorrect.
  • B
    1 is correct, 2 is correct.
  • C
    1 is incorrect, 2 is incorrect.
  • D
    1 is incorrect, 2 is correct.

Statement 1: Proper functioning of an auto-brake system requires proper functioning of the anti-skid system.
This is correct, if the anti-skid function is inoperative the auto-brake will not work.

Statement 2: In the RTO mode a maximum constant deceleration is applied.
This is incorrect, because when the runway has slippery spots, the anti-skid will decrease brake pressure to avoid slipping of the wheels. This will cause deceleration to decrease but it will make sure the brake distance is its minimum amount.

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