combo vehicles

Card Set Information

Author:
Anonymous
ID:
74811
Filename:
combo vehicles
Updated:
2011-03-23 17:56:59
Tags:
commercial drivers license
Folders:

Description:
combo cdl
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The flashcards below were created by user Anonymous on FreezingBlue Flashcards. What would you like to do?


  1. if your emergency air line comes apart while driving, the loss of pressure will cause?
    emergency trailer brakes to come on.
  2. air brake equipped trailers made before 1975 often?
    do not have spring brakes
  3. after connecting the air lines but before backing under the trailer you should?
    supply air to the trailer system, then pull out the air supply knob.
  4. you are coupling a tractor to a semitrailer, you have connected the air lines, before backing under the trailer you should
    supply air to the trailer system, then pull out the air supply knob.
  5. you supply air to the trailer tanks by?
    pushing in the trailer air supply valve.
  6. after the trailer has been coupled to the tractor, the tractor protection control valve should be placed in what position.
    normal
  7. off tracking or cheating causes what type of rig to follow the wider pass while making a turn?
    tractor towing a 45 foot trailer
  8. the iron trailer supports are up and the trailer is resting on the tractor make sure
    there is enough clearance between the landing gear and the tractor frame.
  9. when uncoupling a loaded trailer you should lower the landing gear untill it?
    makes firm contact with the ground then crackles a few hits in low gear a few extra turns.
  10. the air leakage rate for a combo vehicle engine OFF brakes ON should be less than?
    4 psi per min

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