Define an Arête

question 25

Essay

Define an arête. Explain how one forms. Draw several pictures to support your explanation.

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Definitions:

Combination Valve

Used in a hydraulic brake system, it contains the safety switch, metering, and proportioning valves in a single valve body and usually is located close to the master cylinder. Also may refer to other multiple function valves such as the service, emergency, relay valve (SERV) used on air brake systems.

Hydraulic Brake System

A system in vehicles that uses fluid pressure to operate the brakes.

Rear Wheel Lock-up

A condition in braking where the rear wheels of a vehicle stop rotating and skid, often due to excessive brake force or poor road conditions.

Master Cylinder Bore

The internal diameter of the master cylinder in a vehicle's brake system, which affects the hydraulic pressure and, ultimately, the braking force.