MICHIGAN PERMIT Exam And Correct
Answers.
When should you use the hand valve to park a combo vehicle - Answer Never
What to do when testing the trailer service brakes only? - Answer Service brake; off, parking
brake; off, trailer air supply; in/open trolley; applied
Coupling a semi trailer to your tractor but not yet backed under. The trailer is at the right height
when - Answer The trailer will be raised slightly when the tractor is backed under it
To test the tractor trailer connection for security you should - Answer Pull gently forward ina
low gear against locked trailer brakes the inspect the coupling
You supply air into the trailer brakes by - Answer Pushing in the trailer air supply valve
To prevent a roll over you should keep the cargo as close to the ground as possible and... -
Answer Go slowly around turns
When coupling a semi trailer to your tractor but have not yet backed under yet the trailer is at
the right height when - Answer The trailer is raised slightly when the tractor is backed under it
The fifth wheel locking lever is not locked after the jaws close around the kingpin this means... -
Answer The coupling is not right and should be fixed before driving the coupled unit
When backing under a trailer you should expect - Answer The trailer to be lifted slightly once
the tractor is backed under it
Before you start to uncouple you should... - Answer Make sure the ground is solid and can
support the weight of the trailer
During uncoupling you should disconnect the electrical cable and - Answer Hang it with the
plug down