Automotive Technology Year One Final Exam 2025

Front

What is a diagonal braking circuit?

Back

A braking system where the wheel brakes are split such that the front left brake is connected to the right rear brake and the front right brake is connected to the left rear brake.

Front

What is the purpose of shims or brake compound on the back of disc brake pads?

Back

To help reduce disc brake noise.

Front

What does a three-channel ABS system do?

Back

It has a separate brake circuit for each rear wheel and a common circuit for the front wheels, allowing independent lock-up control of the front wheels.

Front

How do you calculate the height of a tire with a size of P205/60R-16?

Back

The height is calculated as 123 mm.

Front

What must be checked on disc rotors according to N.Y.S. Inspection law?

Back

Disc rotors must be checked for scoring.

Front

What is the function of brake pads in a disc brake system?

Back

Brake pads create friction against the brake rotor to slow down or stop the vehicle.

Front

What is the significance of the aspect ratio in tire sizing?

Back

The aspect ratio indicates the height of the tire sidewall as a percentage of the tire's width.

Front

What is the role of the caliper in a disc brake system?

Back

The caliper houses the brake pads and applies pressure to them against the rotor to create friction.

Front

What is brake fade?

Back

Brake fade is the reduction in stopping power that occurs when the brakes overheat.

Front

What are the signs of worn brake pads?

Back

Signs include squeaking or grinding noises, reduced braking performance, and a warning light on the dashboard.