Unit C: Hydraulic Brake Systems Flashcards
In a mechanical parking brake, the brake cable is attached to an ____ bracket.
Equalizer
The main difference between an electric brake system and hydraulic system is the method of ____.
Activation
Brake systems deal with fluid that is usually at rest.
True or False
True
The fluid used in a hydraulic parking brake system is brake fluid.
True or False
False
The larger reservoir on a master cylinder supplies the ____ brake circuit.
Front or Disc
Electric brake systems are mostly used on medium duty ____.
Trailers
With a suspended integral power brake booster system, if the vacuum poet is open, a ____ pressure is created in the vacuum/atmospheric chamber.
Low
On a ____ type activated park brake system, two brake pad assemblies are used and are fastened to the ____ housing.
Disc
Transmission
With residual check valves, about ____ psi/kPa is maintained to keep wheel cylinder piston cup seals against the cylinder bore walls.
12-15 psi
82.7-103.4 kPa
If there is a primary system hydraulic failure, the secondary piston in the master cylinder is activated ____.
Mechanically, by the primary piston.
The formula for work is ____.
Work = Force x Distance
Double flared lines used with steel tubing can be interchanged.
True or False
False
A brake disc is ____ in shape with a series of ____.
Circular
Vents
Small thin metal tangs on a brake pad are ____ indicators.
Wear
DOT 5 brake fluid is ____ in colour.
Purple
