Texas CDL Air Brakes Exam Practice
Newest 2025 Questions And Answers
100% Guarantee Pass!!!|Good Luck!!!
Which type of brake is the most common in commercial vehicles? - CORRECT ANSWER-S-cam brake
What can legally hold a parking or emergency brake in position for a truck, truck tractor or bus? -
CORRECT ANSWER-Spring pressure.
What makes the total stopping distance for air brakes longer than that for hydraulic brakes? - CORRECT
ANSWER-Brake lag distance.
Air brake systems combine what three different systems? - CORRECT ANSWER-Service brakes, parking
brakes and emergency brakes.
When should you drain the air tanks? - CORRECT ANSWER-After every working day.
, Why drain water from the compressed air tanks? - CORRECT ANSWER-Water can freeze in cold
weather and cause brake failure.
Air brake equipped vehicles must have: - CORRECT ANSWER-A supply pressure gauge and warning
signal when psi drops below 60.
The first thing you should do when the low air pressure warning comes on? - CORRECT ANSWER-Stop
and safely park ASAP.
The braking power of the spring brakes: - CORRECT ANSWER-Depends on the adjustment of the
service brakes.
The air compressor governor controls what? - CORRECT ANSWER-When air is pumped into the air
tanks.
The application pressure gauge shows the driver how much pressure: - CORRECT ANSWER-Is being
applied to the brakes.
When you apply pressure to the brake pedal, you are... - CORRECT ANSWER-Pushing against a spring
and against air pressure to the brakes.
The air compressor is connected to the engine through... - CORRECT ANSWER-Gears or a V-belt
An application pressure gauge... - CORRECT ANSWER-Shows how much air pressure you are applying
to the brakes.
All vehicles with air brakes are required to have a low pressure warning signal. This could be... -
CORRECT ANSWER-A red light, wig wag mechanical arm or a buzzer.
Newest 2025 Questions And Answers
100% Guarantee Pass!!!|Good Luck!!!
Which type of brake is the most common in commercial vehicles? - CORRECT ANSWER-S-cam brake
What can legally hold a parking or emergency brake in position for a truck, truck tractor or bus? -
CORRECT ANSWER-Spring pressure.
What makes the total stopping distance for air brakes longer than that for hydraulic brakes? - CORRECT
ANSWER-Brake lag distance.
Air brake systems combine what three different systems? - CORRECT ANSWER-Service brakes, parking
brakes and emergency brakes.
When should you drain the air tanks? - CORRECT ANSWER-After every working day.
, Why drain water from the compressed air tanks? - CORRECT ANSWER-Water can freeze in cold
weather and cause brake failure.
Air brake equipped vehicles must have: - CORRECT ANSWER-A supply pressure gauge and warning
signal when psi drops below 60.
The first thing you should do when the low air pressure warning comes on? - CORRECT ANSWER-Stop
and safely park ASAP.
The braking power of the spring brakes: - CORRECT ANSWER-Depends on the adjustment of the
service brakes.
The air compressor governor controls what? - CORRECT ANSWER-When air is pumped into the air
tanks.
The application pressure gauge shows the driver how much pressure: - CORRECT ANSWER-Is being
applied to the brakes.
When you apply pressure to the brake pedal, you are... - CORRECT ANSWER-Pushing against a spring
and against air pressure to the brakes.
The air compressor is connected to the engine through... - CORRECT ANSWER-Gears or a V-belt
An application pressure gauge... - CORRECT ANSWER-Shows how much air pressure you are applying
to the brakes.
All vehicles with air brakes are required to have a low pressure warning signal. This could be... -
CORRECT ANSWER-A red light, wig wag mechanical arm or a buzzer.
