Question 1

Hydraulic Brakes

Accepted Answer

Braking system that uses hydraulic pressure to transmit force from the brake pedal to the brake components.

Question 2

Air Brakes

Accepted Answer

Braking system that uses compressed air to transmit force from the brake pedal to the brake components.

Question 3

Service Brake

Accepted Answer

The primary brake system used to slow down or stop the vehicle during normal driving conditions.

Question 4

Emergency Brake

Accepted Answer

A secondary brake system used as a backup in case the service brakes fail.

Question 5

Brake Pedal Reserve

Accepted Answer

The distance between the fully released brake pedal and the point where the brakes begin to engage.

Question 6

Brake Fade

Accepted Answer

A loss of braking effectiveness due to overheating of the brake components.

Question 7

Brake Lining

Accepted Answer

The friction material attached to the brake shoes or pads that makes contact with the brake drums or rotors.

Question 8

Brake Drum

Accepted Answer

The cylindrical metal component that rotates with the wheel and provides a surface for the brake shoes to press against.

Question 9

Brake Rotor

Accepted Answer

The disc-shaped metal component that rotates with the wheel and provides a surface for the brake pads to press against.

Question 10

Brake Shoes

Accepted Answer

Curved metal plates lined with friction material that press against the brake drum to create braking force.

Question 11

Brake Pads

Accepted Answer

Rectangular plates lined with friction material that press against the brake rotor to create braking force.

Question 12

Brake Caliper

Accepted Answer

The component that holds the brake pads and applies pressure to them against the brake rotor.

Question 13

Brake Master Cylinder

Accepted Answer

The hydraulic component that generates and controls the pressure in the brake system.

Question 14

Brake Booster

Accepted Answer

A device that uses vacuum or air pressure to assist the driver in applying the brakes.

Question 15

Anti-lock Braking System (ABS)

Accepted Answer

A system that prevents the wheels from locking up during braking, enhancing control and stability.

Question 16

Brake Fluid

Accepted Answer

A specially formulated hydraulic fluid used in brake systems to transfer force from the brake pedal to the brakes.

Question 17

Brake Bleeding

Accepted Answer

The process of removing air bubbles from the brake system to ensure proper brake operation.

Question 18

Brake System Inspection

Accepted Answer

A comprehensive examination of the brake components to ensure they are in proper working condition.

Question 19

Brake Drum Measurement

Accepted Answer

Measuring the thickness of the brake drum to determine if it is within acceptable limits.

Question 20

Brake Rotor Measurement

Accepted Answer

Measuring the thickness and runout of the brake rotor to determine if it needs replacement.

Question 21

Brake Shoe Inspection

Accepted Answer

Checking the condition and thickness of the brake shoes to ensure they are within specifications.

Question 22

Brake Pad Inspection

Accepted Answer

Examining the condition and thickness of the brake pads to determine if they need replacement.

Question 23

Brake System Adjustment

Accepted Answer

Making necessary adjustments to the brake components to maintain proper brake operation.

Question 24

Brake System Troubleshooting

Accepted Answer

Identifying and resolving issues or malfunctions in the brake system.

Question 25

Brake System Maintenance

Accepted Answer

Regular maintenance tasks to keep the brake system in optimal condition, such as lubrication and cleaning.

Question 26

Brake System Warning Signs

Accepted Answer

Indications of potential brake system problems, such as unusual noises or pedal behavior.

Question 27

Brake System Diagnostics

Accepted Answer

Using diagnostic tools and procedures to identify and diagnose brake system issues.

Question 28

Brake System Repair

Accepted Answer

Performing repairs on brake components to fix problems and restore proper brake operation.

Question 29

Brake System Replacement

Accepted Answer

Removing and installing new brake components to replace worn-out or damaged parts.

Question 30

Brake System Upgrades

Accepted Answer

Modifying the brake system to improve performance, such as installing larger rotors or upgrading brake pads.

Question 31

Brake System Safety Precautions

Accepted Answer

Precautions and safety measures to follow when working on the brake system to prevent accidents or injuries.

Question 32

Brake System Regulations

Accepted Answer

Federal and state regulations governing the design, operation, and maintenance of commercial vehicle brake systems

Question 33

Brake System Performance Testing

Accepted Answer

Evaluating the braking performance of the vehicle to ensure it meets safety standards and requirements.

Question 34

Brake System Torque Specifications

Accepted Answer

The specific amount of torque required when installing brake components to ensure proper functionality.

Question 35

Brake System Assembly

Accepted Answer

Putting together the various brake components to form a complete and functional brake system.

Question 36

Brake System Disassembly

Accepted Answer

Taking apart the brake system to inspect, repair, or replace individual components.

Question 37

Brake System Fluid Exchange

Accepted Answer

Draining and replacing the brake fluid to maintain proper brake function and prevent contamination.

Question 38

Brake System Pressure Testing

Accepted Answer

Testing the hydraulic pressure within the brake system to identify leaks or malfunctions.

Question 39

Brake System Sealing

Accepted Answer

Ensuring proper sealing and integrity of hydraulic connections and components to prevent fluid leaks.

Question 40

Brake System Bleeder Valve

Accepted Answer

A valve used to release air or excess fluid from the brake system during bleeding or maintenance.

Question 41

Brake System Proportioning Valve

Accepted Answer

A valve that adjusts the pressure distribution between the front and rear brakes to optimize braking performance.

Question 42

Brake System Load Sensing Valve

Accepted Answer

A valve that adjusts the brake force based on the load or weight distribution of the vehicle.

Question 43

Brake System ABS Sensor

Accepted Answer

Sensors that monitor the rotational speed of the wheels and provide input to the ABS control module.

Question 44

Brake System ABS Control Module

Accepted Answer

The electronic control unit that regulates the operation of the ABS system.

Question 45

Brake System ABS Pump

Accepted Answer

The component responsible for pressurizing and modulating the brake fluid during ABS operation.

Question 46

Brake System ABS Diagnostic Codes

Accepted Answer

Error codes generated by the ABS system to indicate specific faults or malfunctions.

Question 47

Brake System ABS Troubleshooting

Accepted Answer

Identifying and resolving issues related to the ABS system, including sensor malfunctions or hydraulic problems.

ASE Transit Bus Certification Tests H4 - Brakes Flashcard Set