Brake Components: Types, Functions, and Replacement Procedures

Question 1

What is the primary function of brake calipers in a braking system?

Accepted Answer

To hold and engage brake pads against rotors

Answer

To generate brake pressure using hydraulic fluid

Answer

To absorb and dissipate heat

Answer

To amplify brake pedal force

Question 2

Which type of brake rotor is more resistant to warping and corrosion?

Accepted Answer

Ventilated rotor

Answer

Solid rotor

Answer

Drilled rotor

Answer

Slotted rotor

Question 3

What is the primary function of a master cylinder in a braking system?

Accepted Answer

To generate hydraulic pressure in the system

Answer

To store brake fluid

Answer

To transfer brake fluid to the calipers

Answer

To regulate brake pedal force

Question 4

Which of the following tools is typically used to compress brake calipers during pad replacement?

Accepted Answer

C-clamp

Answer

Pliers

Answer

Wrench

Answer

Hammer

Question 5

Which type of brake fluid is typically recommended for use in most modern vehicles?

Accepted Answer

DOT 4

Answer

DOT 3

Answer

DOT 5

Answer

DOT 6

Question 6

What is the primary function of brake calipers in an automotive braking system?

Accepted Answer

Convert hydraulic pressure into mechanical force that engages brake pads.

Answer

Dissipate heat generated during braking.

Answer

Lubricate brake pads and rotors.

Question 7

Which material is NOT used in brake pad production?

Accepted Answer

Asbestos

Answer

Organic

Answer

Ceramic

Answer

Metallic

Question 8

The primary function of a brake caliper is to:

Accepted Answer

Transmit hydraulic pressure to the brake pads

Answer

Store brake fluid

Answer

Dissipate heat from the braking system

Answer

Activate the ABS system

Question 9

The type of fluid commonly used in hydraulic brake systems is:

Accepted Answer

Brake fluid

Answer

Coolant

Answer

Power steering fluid

Answer

Transmission fluid

Question 10

Brake cleaner is used during brake maintenance primarily to:

Accepted Answer

Remove dirt, grease, and contaminants

Answer

Enhance brake performance

Answer

Prevent corrosion

Answer

Lubricate moving brake components

Question 11

Which of the following is NOT a material used in brake pad construction?

Accepted Answer

Plastic

Answer

Ceramic

Answer

Metallic

Answer

Organic

Question 12

Which component applies pressure to the brake pads, causing them to contact the rotor?

Accepted Answer

Brake caliper

Answer

Brake booster

Answer

Brake pedal

Answer

Brake master cylinder

Question 13

What is the function of brake fluid in a hydraulic braking system?

Accepted Answer

To transmit hydraulic pressure from the master cylinder to the calipers

Answer

To lubricate moving parts

Answer

To cool down the brake components

Answer

To prevent corrosion in the brake lines

Question 14

When replacing brake rotors, it is recommended to:

Accepted Answer

Replace both rotors on the same axle

Answer

Replace only the worn rotor

Answer

Replace all four rotors simultaneously

Answer

Resurface the rotors instead of replacing them

Question 15

Which tool is specifically designed for measuring brake pad thickness?

Accepted Answer

Brake pad gauge

Answer

Micrometer

Answer

Vernier caliper

Answer

Dial indicator

Question 16

What is a major environmental concern associated with brake pads?

Accepted Answer

Release of harmful particulate matter

Answer

Contamination of water sources

Answer

Depletion of natural resources

Answer

Emission of greenhouse gases

Question 17

What is the primary function of brake pads?

Accepted Answer

To create friction against the rotating brake disc

Answer

To store brake fluid

Answer

To transmit hydraulic pressure to the caliper

Answer

To reduce heat transfer

Question 18

In a hydraulic braking system, which component houses the caliper pistons?

Accepted Answer

Brake caliper

Answer

Master cylinder

Answer

Brake line

Answer

Hub assembly

Question 19

What is the purpose of the master cylinder in a hydraulic brake system?

Accepted Answer

To amplify the driver's pedal force

Answer

To store brake fluid

Answer

To reduce brake line pressure

Answer

To create friction

Question 20

Which factor most commonly causes brake fade?

Accepted Answer

Overheating brake pads

Answer

Air in the brake lines

Answer

Worn brake rotors

Answer

Low brake fluid level

Question 21

Is brake fluid considered a type of hydraulic fluid?

Accepted Answer

Yes

Answer

No

Question 22

What is the purpose of the brake caliper bracket?

Accepted Answer

To mount the brake caliper to the vehicle

Answer

To adjust the position of the brake pads

Answer

To amplify brake fluid pressure

Answer

To contain the brake master cylinder

Question 23

Is it generally recommended to replace brake pads only on one side of a vehicle?

Accepted Answer

No

Answer

Yes

Question 24

What is brake fade and what factors contribute to it?

Accepted Answer

Brake fade is the gradual loss of braking effectiveness due to excessive heat and increased friction.

Answer

Brake fade is a permanent condition that requires complete brake system replacement.

Answer

Brake fade is more pronounced in disc brake systems than in drum brake systems.

Answer

Brake fade is not affected by vehicle speed.

Question 25

What is the main function of a brake rotor?

Accepted Answer

To generate friction and slow down the vehicle

Answer

To secure the brake pads

Answer

To distribute brake fluid to calipers

Answer

To prevent brake fade

Question 26

Which tool is typically used to compress brake caliper pistons during brake pad replacement?

Accepted Answer

C-clamp

Answer

Socket wrench

Answer

Pliers

Answer

Screwdriver

Question 27

What is the primary role of a master cylinder in a hydraulic braking system?

Accepted Answer

To convert force into hydraulic pressure

Answer

To store brake fluid

Answer

To lubricate brake components

Answer

To reduce brake vibrations

Question 28

Which type of brake caliper design is often used in high-performance vehicles due to its rigidity and heat dissipation capabilities?

Accepted Answer

Fixed caliper

Answer

Sliding caliper

Answer

Floating caliper

Answer

Dual-piston caliper

Question 29

What is the primary purpose of brake fluid?

Accepted Answer

To transmit hydraulic pressure from the master cylinder to the calipers

Answer

To lubricate brake components

Answer

To cool brake rotors

Answer

To eliminate brake fade

Question 30

What is the function of a brake caliper bracket?

Accepted Answer

To mount the brake caliper to the wheel hub

Answer

To adjust brake pad clearance

Answer

To distribute brake fluid evenly to the brake pads

Answer

To prevent brake fade

Question 31

Which of the following is NOT a primary function of brake pads in an automotive braking system?

Accepted Answer

Providing cushioning to reduce impact shock

Answer

Creating friction to slow down the vehicle

Answer

Dissipating heat generated during braking

Answer

Preventing the wheels from locking up

Question 32

What is the main purpose of the ribs on the surface of brake rotors?

Accepted Answer

To increase the surface area for improved heat dissipation

Answer

To reduce noise and vibration during braking

Answer

To enhance the grip between the pads and rotors

Answer

To prevent the rotors from warping under high temperatures

Question 33

What is the main function of the master cylinder in an automotive braking system?

Accepted Answer

To convert mechanical force into hydraulic pressure

Answer

To distribute brake fluid to the calipers

Answer

To amplify the braking force applied by the driver

Answer

To regulate the amount of fluid flowing to the wheels

Question 34

What is the primary function of the caliper bracket in a disc brake system?

Accepted Answer

Mounting the caliper to the suspension components

Answer

Guiding the caliper pistons

Answer

Adjusting the caliper position

Answer

Protecting the caliper from damage

Question 35

What is the primary purpose of a brake rotor?

Accepted Answer

To dissipate heat generated during braking

Answer

To amplify brake force

Answer

To convert hydraulic pressure into mechanical force

Question 36

Which component of a brake caliper is responsible for applying pressure to the brake pads?

Accepted Answer

Piston

Answer

Guide pins

Answer

Caliper body

Answer

Bleeder screw

Question 37

What is the main function of the master cylinder in a brake system?

Accepted Answer

To convert brake pedal force into hydraulic pressure

Answer

To store brake fluid

Answer

To amplify brake force

Question 38

When replacing brake rotors, it is generally recommended to also replace the:

Accepted Answer

Brake pads

Answer

Brake lines

Answer

Brake calipers

Answer

Master cylinder

Question 39

What is the purpose of a brake booster in a vehicle?

Accepted Answer

To amplify brake pedal force

Answer

To convert hydraulic pressure into mechanical force

Answer

To dissipate heat generated during braking

Answer

To store brake fluid

Question 40

Which of the following is a common indication of a faulty master cylinder?

Accepted Answer

Brake pedal spongyness

Answer

Squealing brakes

Answer

Vibrating brake pedal

Answer

Grinding brakes

Question 41

During brake caliper servicing, it is important to:

Accepted Answer

Inspect and lubricate guide pins

Answer

Replace brake pads only

Answer

Bleed the brake system only

Answer

Tighten caliper bolts only

Question 42

What is the primary function of brake pads in a vehicle's braking system?

Accepted Answer

To generate friction with the brake rotor, slowing down the vehicle

Answer

To amplify the hydraulic pressure generated by the master cylinder

Answer

To dissipate heat generated by braking

Question 43

What is the primary function of a brake master cylinder in a vehicle's braking system?

Accepted Answer

To convert mechanical force from the brake pedal into hydraulic pressure

Answer

To regulate the flow of hydraulic fluid to the brake calipers

Answer

To store hydraulic fluid for the brake system

Question 44

Which type of brake fluid has the highest boiling point, making it suitable for high-performance braking applications?

Accepted Answer

DOT 5

Answer

DOT 3

Answer

DOT 5.1

Answer

DOT 4

Question 45

What is the primary function of the brake rotor?

Accepted Answer

Dissipate heat generated by friction

Answer

Contain the brake fluid

Answer

Provide structural support for the brake system

Answer

Grip the brake pads

Question 46

Which component of a brake caliper uses pistons to apply pressure to the brake pads?

Accepted Answer

Pistons

Answer

Brake pads

Answer

Brake lines

Answer

Master cylinder

Question 47

What is the purpose of the master cylinder in a hydraulic brake system?

Accepted Answer

Convert mechanical force into hydraulic pressure

Answer

Amplify brake pedal force

Answer

Store brake fluid

Answer

Filter contaminants from the brake fluid

Question 48

Refer to manufacturer's specifications to determine the recommended thickness for replacing front brake rotors?

Accepted Answer

True

Answer

Replace rotors at 10mm thickness

Answer

Always replace the rotors when they reach 15mm thickness

Answer

Replace rotors at 20mm thickness

Question 49

Which tool is commonly used to compress brake caliper pistons?

Accepted Answer

C-clamp

Answer

Screwdriver

Answer

Wrench

Answer

Hammer

Question 50

When tightening lug nuts on a passenger vehicle, always refer to the manufacturer's specifications for the recommended torque.

Accepted Answer

True

Answer

50 ft-lbs is sufficient torque for most passenger vehicles

Answer

150 ft-lbs is the recommended torque for all lug nuts

Answer

100 ft-lbs is always the correct torque for lug nuts