Vehicle Braking Systems

What are the four factors that determine a vehicle's braking power?

• Pressure, coefficient of friction, contact surface, heat dissipation

• Speed, weight, tire type, road condition

• Engine power, fuel type, transmission, aerodynamics

• Color, size, shape, material.

Today's brake linings are made of which materials?

• Fully metallic, semimetallic, nonasbestos organic, synthetic, carbon, ceramic

• Plastic, rubber, wood, glass

• Steel, aluminum, copper, zinc

• Leather, fabric, paper, clay

Since 1967, all cars have been required to have how many separate brake systems?

• One

• Two

• Three

• Four

The brake lines transmit brake fluid pressure from the master cylinder to the ________.

• Engine

• Wheel cylinders and calipers

• Fuel tank

• Exhaust system

What is the function of a pressure differential valve in dual brake systems?

• To increase speed

• To operate a warning light switch

• To reduce noise

• To enhance fuel efficiency

The metering valve is located in the front brake line and provides better balance of the front and rear brakes while preventing ________.

• Overheating

• Lockup of the front brakes

• Fuel leakage

• Tire wear

What does the proportioning valve control?

• Engine temperature

• Rear brake pressure

• Tire pressure

• Fuel consumption

Bleeding removes ________ from the hydraulic system.

• Water

• Air

• Oil

• Dirt

How often should brake fluid be flushed and replaced with fresh fluid?

• Every 6 months

• Every year

• Every 2 years

• Every 5 years

Power brakes can be either _______ assist or hydraulic assist.

• Vacuum

• Electric

• Manual

• Pneumatic