Exam 57: Brake Fundamentals

Remember Pascal's law: Pressure is equal everywhere in an enclosed system.

Brake fluid can absorb a large enough quantity of water to be ruined in as little as one hour if left uncovered.

The condition that MOST-Likely results from excessive brake heat is:

While having a discussion, Technician A says that federal requirements call for the parking brake to stop a vehicle in motion. Technician B says that federal requirements simply call for the parking brake to "hold a parked vehicle," not stop a vehicle in motion. Who is correct?

The part that is MOST-Likely used to prevent the front brakes from applying until the rear drum brake shoes overcome return spring pressure and contact the brake drums is the:

All of the following statements are true EXCEPT:

____________________ states "pressure in an enclosed system is equal and undiminished in all directions."

What is the purpose of the residual check valve at the fluid outlet on older master cylinders?

Brake fluid that meets DOT 3 or DOT 4 specifications can be used in drum and disc systems.

While having a discussion, Technician A says that the braking system on a hybrid vehicle has the same parts as a conventional braking system. Technician B says that the system has regenerative braking, and computer controls operate the hydraulic brake system. Who is correct?

Ceramic linings are organic linings with sponge iron and steel fibers mixed into them to add strength and temperature resistance.

Which of the following statements is LEAST-Likely true?

What are the two purposes of preventing the front brakes from applying until the rear brakes start to build pressure?

The friction materials used in cars and trucks are called ____.

When a car is traveling at freeway speed, a large amount of ____________________ energy is stored.

The ratio of the force holding two surfaces in contact to the force required to slide one over the other is known as the ____________________.

Which of the following statements is LEAST-Likely true?

Briefly describe the four ingredients that are considered essential to all brake fluids.

All of the following statements about the hydraulic braking system are true EXCEPT:

Pressurizing a liquid to transfer motion or multiply and apply force is called ____________________.