Hydraulic Braking Systems Quiz

What is the purpose of the master cylinder in a braking system?

• To solidify in cold weather

• To absorb moisture that collects internally

• To apply pressure to hydraulic fluid in the brake pipes

• To reduce wear on pistons and cups

What is the function of the vacuum brake servo?

• To operate the handbrake in the event of failure of the main braking system

• To feed the brake components at each of the individual wheels

• To assist in applying pressure to the brake pipes

• To absorb moisture that collects internally

What is the purpose of the dual circuit braking system?

• To operate the brake linings against the surfaces of the disc or drum

• To increase the force applied to the brake linings

• To have two totally separate hydraulic circuits for safety

• To have a single brake pipe to feed fluid from the master cylinder to all four brakes

What is the function of the brake callipers and cylinders?

• To solidify in cold weather

• To force the brake linings against the surfaces of the disc or drum

• To assist in applying pressure to the brake pipes

• To absorb moisture that collects internally

What is the purpose of the flexible brake hose in a braking system?

• To allow for suspension or steering movement

• To have a smaller force but more travel

• To have a larger force but less travel

• To operate the handbrake in the event of failure of the main braking system

What is the specification for automobile brake fluid according to SAE and DOT?

• Must solidify in cold weather

• Must react with metal or rubber

• Must not have a high boiling point

• Must be free-flowing at all temperatures

What is the action of the master cylinder in a braking system?

• Fluid pressure pushes the calliper pistons together and brake cylinder pistons apart

• The atmosphere valve opens allowing a pressure differential across the diaphragm

• The throttle valve restricts the air flow into the engine

• Pressure can build up in the brake pipes to apply the brakes

What is the purpose of the inlet check valve and outlet check valve in a hydraulic system?

• To solidify in cold weather

• To operate the handbrake in the event of failure of the main braking system

• To absorb moisture that collects internally

• To close and open to allow fluid to flow through

What is the function of the split systems in a dual-circuit braking system?

• To increase the force applied to the brake linings

• To have two totally separate hydraulic circuits for safety

• To split between front and rear or diagonally opposite corner to corner

• To operate the brake linings against the surfaces of the disc or drum

What is the purpose of the vacuum supply for the servo in a braking system?

• To supply and operate the servo

• To assist in applying pressure to the brake pipes

• To absorb moisture that collects internally

• To solidify in cold weather