Combination Vehicle Demo Test
Question: 1/5 |
||||
If the spring brakes don't release when you push the trailer air supply control, you should: | ||||
a. | ||||
b. | ||||
c. | ||||
|
Question: 1/5 |
||||
If the spring brakes don't release when you push the trailer air supply control, you should: | ||||
a. | ||||
b. | ||||
c. | ||||
|