AIR BRAKES PRACTICE TEST - ARIZONA

Question

6. If stopped on a hill, how can you start moving without rolling back?

Press on the gas pedal, even if you have to roll back a little.
Release the parking brake before you have applied enough engine power to keep from rolling back.
Partly engage the clutch before you take your right foot off the brake, put on the parking brake if necessary.

Answer 1

Press on the gas pedal, even if you have to roll back a little.

Answer 2

Release the parking brake before you have applied enough engine power to keep from rolling back.

Answer 3

Partly engage the clutch before you take your right foot off the brake, put on the parking brake if necessary.

Answer 4

if you don't use wheel chocks, supply air will be sent to the service line instead of going to charge the trailer air tanks.

Answer 5

You may not notice a major leak in the service line until you try to put the brakes on.

Answer 6

The air could leak out of the trailer air tank, releasing its emergency brakes.

Answer 7

mechanical damage.

Answer 8

longer stopping distances.

Answer 9

poor traction.