31. When connecting the glad hands press the two seals with the coupler together at what degree to each other?
90 degree.
32. Which of these statements is true?
Bobtail tractor can take longer to stop than a combination vehicle loaded to maximum gross weight.
33. Why should you lock the tractor glad hands to each other ( or dummy couplers) when you are not towing trailer?
It will keep dirt or water out of the lines.
34. When backing a tractor under a trailer you should:
Always use to lowest reverse gear.
35. After the trailer has been coupled to the tractor, the tractor protection control valve should be placed in what position?
Normal.