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Grade 10 Chapter 71

Multiple Choice
Identify the choice that best completes the statement or answers the question.


Which of the following is not a true statement regarding a hydraulic system?
Liquids in a confined area will not compress.
When pressure is applied in a closed system, it is exerted equally in all directions.
Air in a confined area will not compress.
A hydraulic system can be used to increase or decrease force or motion.


Which of the following is a desirable characteristic for a brake fluid?
High freezing point.
High volatility.
Water tolerance.
None of the above.

Indicate whether the statement is true or false.


A longitudinally split brake system uses one master cylinder to operate the brakes on the left side of the vehicle and the other cylinder to operate brakes on the right.


Equalizing braking action at each wheel is the primary function of the brake system metering valve.


Automotive disk brake pad linings no longer use asbestos as a friction material.


Dual master cylinders are being replaced on newer cars by more efficient single cylinder units.


The compensating port acts to help keep the brake system full of fluid.


When a small piston acts on a larger piston, the larger piston will move with more force, but will travel a shorter distance.


The power booster in a power braking system is usually located between the master cylinder and the wheel cylinders.


Brake lines are usually made of double-wall steel tubing.

Match the following terms and identifying phrases.
wheel brake assemblies
emergency/parking brake
master cylinder
brake pedal assembly
brake booster
brake lines


Mechanical system for applying rear brakes.


Metal tubing and rubber hose assembly used to transmit braking force to wheels.


Hydraulic piston-type pump that develops pressure for the brake system.


Devices that use system pressure to produce friction and slow or stop wheel rotation.


Foot lever that actuates master cylinder and power booster.


Device, usually vacuum-operated, that assists in brake pedal application.
Identify each of the marked items on the diagram below.




Clevis pin.


Parking brake lever.


Left cable.


Release button.


Dust seal.




Brake adjusting nut.


Main cable.


Parking brake switch.


Cotter pins.


Right cable.

Short Answer


What is the typical front wheel/rear wheel braking ratio?


What is the function of a bleeder screw in a hydraulic braking system?

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