81/470.
11.
If a truck is equipped, a trailer brake hand valve can be used to:
Add fuel to the truck.
Prevent the truck from rolling back when being started from a stop.
Check the engine oil level.
27 35483 CDL 80 B "" 0

Answer correctly : 0   |   Wrong : 0

Answer Sheet :

Refresh

Refresh this page and redo the question

Restart

Restart this set of tests