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WorksheetsHydraulic brake system
Total questions: 15
Worksheet time: 9mins
When discussing brake fluid "hygroscopic" means?
Repels moisture
Absorbs moisture
Absorbs heat
Name this component
Vacuum booster
Master cylinder
Wheel cylinder
A vehicle has a hydroboost power brake system. Poor brake performane can be caused by:
A defective vacuum booster
Low Engine Vacuum
Low power steering fluid
A faulty brake light switch
Some vehicles use a vacuum pump to operate the servo because:
Some engines such as diesels do not produce vacuum in the usual way
They produce too much vacuum when slowing down
It is more efficient than other systems
It saves wasting vacuum that could be used to power other systems
A _______ is the primary fluid-pressurizing device in a hydraulic system. In automotive use, it is found in brake and hydraulic clutch systems, and is pedal activated either directly or in a power brake system, through the power booster.
Wheel Cylinder
Break Dancing Cylinder
Brake Master Cylinder
Brake Fluid Reservoir
Brake lines should be inspected for what faults?
Leaks
Kinks
Rust
All the above
Tech A says a hydraulic system uses air to transmit motion or pressure from one point to another. Tech B says a hydraulic system uses a liquid to transmit motion or pressure from one point to another. Who is right?
Tech A
Tech B
Both Tech A and B
Neither Tech A or B
Name this component
Brake line
Brake hose
Brake pipe
Name this component
Hydro-boost
Vacuum booster
Master cylinder
The_______________ supplies fluid pressure to the hydro-boost unit.
Fuel Pump
Water Pump
Power steering Pump
Name this component
Vacuum brake booster
Hydro boost
Master cylinder
The vacuum booster uses ______________ to provide brake assist
Power steering fluid
Engine Vacuum
Chuck Norris
You must bleed the brake system anytime you ________________
service the hydraulic system
Replace hydraulic components
Both
Which of the following is the most likely cause of a hard brake pedal?
Low Brake Fluid
Low Manifold Vacuum
Worn Brake Pads
Excessive Rotor Runout
A customer complains of a spongy brake pedal. Which of the following is the most likely cause?
Torn Vacuum Booster Diaphragm
Sticking Parking Brake Cables
Air in the Hydraulic System
Incorrect Brake Pedal Freeplay
