Practice question

Which air line is normally disconnected first during uncoupling after the equipment is secured?

  1. Service air lines are typically disconnected before emergency lines during uncoupling after the unit is secured.
  2. emergency line always first before parking
  3. no order matters when rolling
  4. electrical line is the only line

Answer: A — Service air lines are typically disconnected before emergency lines during uncoupling after the unit is secured.

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