Auto Brakes Fundamentals

Which of the following is not part of the disc brake system

• Brake rotor
• Brake caliper
• Brake Shoe
• Brake pad

What does the acronym ABS stand for?

• All Brakes Stopping
• Awesome Braking System
• Anti-lock Braking System
• Advanced Braking System

A vehicle with power assist brakes has a hard brake pedal with little stopping power. Which of these is the MOST likely cause of this condition?

• The brake booster.
• The master cylinder.
• Air in the system.
• Contaminated brake fluid.

A vehicle pulls to the left only while braking. Technician A says this could be a restricted left front brake line. Technician B says this could be a frozen right front caliper. Who is correct?

• Technician A
• Technician B
• Both A and B
• Neither A or B

What is the energy of motion?

• kinetic
• potential 
• chemical 
• thermal

Drum brakes are being discussed, Technician A says the shoe anchor is located at the bottom on a duo-servo design. Technician B says in a leading trailing design, the anchor is at the top of the backing plate. Who is correct?

• Technician A 
• Technician B 
• Both Technician A and B
• Neither Technician A or B

Brake drum springs are being discussed. Technician A says the main springs on the brake shoes are meant to keep the shoes in slight contact with the drum. Technician B says the main springs purpose is to retract the shoes when the brake pedal is released. Who is correct?

• Technician A
• Technician B
• Both Technician A and B
• Neither Technician A or B

A vehicles red brake warning light stays on whenever the ignition is on and the engine is running. Any of the following could be the cause EXCEPT.

• A. Parking brake is engaged
• B. Brake fluid is low in the resovoir
• C. Parking brake switch is out of adjustment
• D. ABS has a faulty wheel speed speed sensor

What are common parts used in wheel cylinder assemblies?

• A. Square cut seal, piston, dust boot
• B. Primary and secondary piston, bleeder
• C. Cup seal, piston, dust boot
• D. Return spring, double lip seal, bleeder screw

All the lights in a brake light circuit illuminate except one. The MOST likely cause is:

• An open in the brake switch.
• A closed brake switch.
• A burned bulb.
• Excessive resistance in the circuit.