Chapter 24 Hydraulic and Power Brakes

What law states the pressure applied to a fluid in one part of a closed system will be transmitted without loss to all other areas of the system?

• Newton's Law

• Pascal's Law

• Kirchoff's Law

• Ohm's Law

All of the following are variables to consider when talking about pressure and force in hydraulic systems, except...

• input force

• fluid type

• output force

• working pressure

Standard brake fluid is ____________, which means it absorbs water.

• hydrotropic

• aerated

• hygroscopic

• hydraulic

Brake fluids are tested to ensure they meet the standards of quality for ___________.

• stability

• resistance to oxidation

• boiling point

• all the above

What type of brake fluid is silicone-based?

• DOT 2

• DOT 3

• DOT 4

• DOT 5

When the brake pedal is released quickly, the use of small holes drilled in the piston so that brake fluid from the reservoir can pass through the inlet port and past the edge of the primary cup, thus preventing a vacuum from being created is called __________.

• recuperation

• compensating

• aeration

• residual pressure release

The ____________ master cylinder is a tandem master cylinder used in divided systems.

• single-piston

• dual-piston

• ABS

• quick take-up

What type of flare is sometimes called a bubble flare?

• Inverted double flare

• International Standards Organization flare

• Mushroom flare

• DIN flare

Which of the following components is used to modify pressures within the hydraulic braking system?

• Proportioning valves

• Pressure differential valves

• antilock hydraulic control units

• All the above

All of the following conditions will cause the brake warning light to illuminate, except...

• parking break is engaged

• brake fluid is low

• Brake pedal is pressed

• prove out circuit