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Front #4

ABTH 100.4

What is the minimum percentage of the air brakes that must be operative when enroute?


  1. 90%
  2. 100%
  3. 95%
  4. 98%
Back #4
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ABTH 100.4


Answer: 95%
Feedback:
While there is allowance for some mechanical failures, we must keep it to a minimum for safety. Inoperative brakes can impact how a train handles and increase the distance it could take to stop