Right Driver Menu

Question 1 of 1

Home / Car tests / All questions / Question 1 | Restart test
 
 
 

You're uncoupling a trailer. What must you do before disconnecting any of the air lines?

  • A. Drain the air tanks

  • B. Apply the trailer parking brake

  • C. Lower the landing gear

  • D. Disconnect the electrical line

Your progress:
 
 
Menu