TRUCKER CLP QUIZLET 4 OF 4 EXAM QUESTIONS AND ANSWERS
Which of the following is okay to find in the air brake system?
Oil.
Air.
Water.
AOTA. - CORRECT ANSWER✅✅Air.
Air loss in a single vehicle should not be more than ____ with engine off brakes on.
1 psi in 30 sec
1 psi in 1 min
2 psi in 45 sec
3 psi in 1 min - CORRECT ANSWER✅✅Air loss in a single vehicle should not be more than 3 psi in 1 min
with engine off brakes on.
The vehicle must have a warning device that comes on when the air pressure in the service air tanks falls
below:
40 psi.
60 psi.
80 psi. - CORRECT ANSWER✅✅60 psi.
IF THE AIR SYSTEM SHOULD DEVELOP A LEAK, WHAT WILL KEEP AIR IN THE AIR TANKS?
THE GOVERNOR.
THE TRACTOR PROTECTION VALVE.
THE 1 WAY CHECK VALVE. - CORRECT ANSWER✅✅THE 1 WAY CHECK VALVE.
Which brake system applies and releases the brakes when the driver uses the brake pedal?
The emergency brake system.
The service brake system.
The parking brake system. - CORRECT ANSWER✅✅The service brake system.
, When using the parking brakes or emergency brakes, what type of pressure is being used?
Fluid pressure.
Spring pressure.
Air pressure. - CORRECT ANSWER✅✅Spring pressure.
Air brake equipped vehicles must have:
at least 3 air tanks.
an air pressure gauge to show the pressure available for braking.
a hydraulic braking system, in case the air system fails. - CORRECT ANSWER✅✅Air brake equipped
vehicles must have an air pressure gauge to show the pressure available for braking.
Which of these following statements about brakes is true?
The heavier a vehicle or the faster it is moving, the more heat the brakes have to absorb to stop it.
Brakes have more stopping pwr when the get hot.
Brake drums cool very quickly. - CORRECT ANSWER✅✅The heavier a vehicle or the faster it is moving,
the more heat the brakes have to absorb to stop it.
3 different systems are found on modern air brake systems; service brakes, parking brakes, and:
emergency brakes.
foot brakes.
drum brakes. - CORRECT ANSWER✅✅3 different systems are found on modern air brake systems;
service brakes, parking brakes, and emergency brakes.
The purpose of engine retarders is to:
provide emergency brakes.
help slow the vehicle while driving and reduce brake wear.
help prevent skids and slides. - CORRECT ANSWER✅✅The purpose of engine retarders is to help slow
the vehicle while driving and reduce brake wear.
Which of the following is okay to find in the air brake system?
Oil.
Air.
Water.
AOTA. - CORRECT ANSWER✅✅Air.
Air loss in a single vehicle should not be more than ____ with engine off brakes on.
1 psi in 30 sec
1 psi in 1 min
2 psi in 45 sec
3 psi in 1 min - CORRECT ANSWER✅✅Air loss in a single vehicle should not be more than 3 psi in 1 min
with engine off brakes on.
The vehicle must have a warning device that comes on when the air pressure in the service air tanks falls
below:
40 psi.
60 psi.
80 psi. - CORRECT ANSWER✅✅60 psi.
IF THE AIR SYSTEM SHOULD DEVELOP A LEAK, WHAT WILL KEEP AIR IN THE AIR TANKS?
THE GOVERNOR.
THE TRACTOR PROTECTION VALVE.
THE 1 WAY CHECK VALVE. - CORRECT ANSWER✅✅THE 1 WAY CHECK VALVE.
Which brake system applies and releases the brakes when the driver uses the brake pedal?
The emergency brake system.
The service brake system.
The parking brake system. - CORRECT ANSWER✅✅The service brake system.
, When using the parking brakes or emergency brakes, what type of pressure is being used?
Fluid pressure.
Spring pressure.
Air pressure. - CORRECT ANSWER✅✅Spring pressure.
Air brake equipped vehicles must have:
at least 3 air tanks.
an air pressure gauge to show the pressure available for braking.
a hydraulic braking system, in case the air system fails. - CORRECT ANSWER✅✅Air brake equipped
vehicles must have an air pressure gauge to show the pressure available for braking.
Which of these following statements about brakes is true?
The heavier a vehicle or the faster it is moving, the more heat the brakes have to absorb to stop it.
Brakes have more stopping pwr when the get hot.
Brake drums cool very quickly. - CORRECT ANSWER✅✅The heavier a vehicle or the faster it is moving,
the more heat the brakes have to absorb to stop it.
3 different systems are found on modern air brake systems; service brakes, parking brakes, and:
emergency brakes.
foot brakes.
drum brakes. - CORRECT ANSWER✅✅3 different systems are found on modern air brake systems;
service brakes, parking brakes, and emergency brakes.
The purpose of engine retarders is to:
provide emergency brakes.
help slow the vehicle while driving and reduce brake wear.
help prevent skids and slides. - CORRECT ANSWER✅✅The purpose of engine retarders is to help slow
the vehicle while driving and reduce brake wear.
