Interactive Digital Media, Like Those in the Accompanying Figure, Allows

question 42

True/False

Interactive digital media, like those in the accompanying figure, allows users to move through information at their own pace.

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Definitions:

Treadle Valve

A foot-operated valve that controls the flow of air in a pneumatic system, often used in braking systems of heavy vehicles.

Inversion Valve

A normally open air brake valve used for emergency applications of tractor brakes for a one-time stop during a total system failure. Hold-off air is dumped in relation to application pressure so that spring chamber force can effect emergency service braking. Incorporated in some modulating valves.

Tractor Protection Valve

A safety valve in commercial vehicles that prevents air loss in the tractor in the event of a trailer breakaway or air line failure.

FMVSS-121 Compliant

FMVSS-121 compliant means adhering to the Federal Motor Vehicle Safety Standard 121, relating to air brake systems in heavy vehicles.