Page | 1
TEXAS CDL AIR BRAKES EXAM
2025 BRAND NEW ACTUAL EXAM
WITH ANSWERS.
1. Vehicles with air brakes must have-correct answer - An air
pressure gauge to show the pressure available for braking.
2. Air brakes should be drained-correct answer - 1. At the end of
each working day. 2. To keep sludge from clogging system
valves.
Manually when automatic devices fail.
3. Fanning air brakes-correct answer - Decreases the air
pressure.
4. If you air compressor stops working-correct answer - You'll still
have pressure left in the tanks.
, Page | 2
5. The governor allows the air to star pumping aging when it
reaches the cut in level or around-correct answer - 100 psi
6. You should not use the parking brakes-correct answer - When
the brakes are hot.
7. The brake drums or discs-correct answer - Must not have
cracks longer than half the width of the friction area.
8. Slack adjusters-correct answer - Can be adjusted manually or
automatically.
9. To determine if slack adjusters need adjustment-correct answer
- Release big the service and parking brakes.
10. An air tank is equipped with a drain valve to remove-correct
answer - Water and oil.
TEXAS CDL AIR BRAKES EXAM
2025 BRAND NEW ACTUAL EXAM
WITH ANSWERS.
1. Vehicles with air brakes must have-correct answer - An air
pressure gauge to show the pressure available for braking.
2. Air brakes should be drained-correct answer - 1. At the end of
each working day. 2. To keep sludge from clogging system
valves.
Manually when automatic devices fail.
3. Fanning air brakes-correct answer - Decreases the air
pressure.
4. If you air compressor stops working-correct answer - You'll still
have pressure left in the tanks.
, Page | 2
5. The governor allows the air to star pumping aging when it
reaches the cut in level or around-correct answer - 100 psi
6. You should not use the parking brakes-correct answer - When
the brakes are hot.
7. The brake drums or discs-correct answer - Must not have
cracks longer than half the width of the friction area.
8. Slack adjusters-correct answer - Can be adjusted manually or
automatically.
9. To determine if slack adjusters need adjustment-correct answer
- Release big the service and parking brakes.
10. An air tank is equipped with a drain valve to remove-correct
answer - Water and oil.
