Brakes Chapters 80, 81 and 82

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 are 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

• Water tolerance

• High volatility

• None of the above

Blowing dust off a brake assembly should NOT be done because the dust may contain cancer-causing________?

• Beryllium

• Asbestos

• Manganese

• Asphaltum

rake system hydraulic parts should be cleaned only with_____?

• brake fluid

• soap and water

• parts cleaner

• gasoline

Linings for drum brakes should be replaced if they are worn to a thickness of___" or less.

• 1/64

• 1/32

• 1/16

• 1/8

The distance from the floor to the pedal with the brake applied is called____.

• pedal height

• free play distance

• adjustment range

• reserve distance

The ABS warning on a vehicle's dash is lighted. Technician A says that this means the system is operational, but should be serviced promptly. Technician B says that it means the ABS is deactivated, but the vehicle will still have normal braking. Who is right?

• A only

• B only

• Both A and B

• Neither A nor B

Each of the following is a major part of the anti-lock brake system except:

• wheel speed sensors.

• system stabilizers.

• electro-hydraulic modulator.

• control module.

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.

• True

• False

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

• True

• False