26. Which spring is responsible to bring back all the brake components to its initial position when the foot pedal is released?
Returning spring
27. When should the electrical low pressure warning device come on and warn you?
Before 60 psi.
28. How many brake controls do you have in a combination (CLASS A) vehicle?
4
29. How many parking brakes do you have in a combination (CLASS A) vehicle?
1
30. What are the two stickers required on the front windshield?
State Safety Inspection sticker AND Insurance sticker