Instructions: Identify the Following

question 9

Essay

Instructions: Identify the following. Be as specific as possible, and include names, dates, and relevant facts as appropriate. Be sure to explain the significance of the person or term.
Farmers' alliance movement, Charles W. Macune

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Definitions:

Trailer Hand Brake Valve

A manually operated valve located within reach of the driver or operator to apply the brakes on a trailer independently.

Treadle Valve

A treadle valve, found in air brake systems of heavy vehicles, controls the air pressure delivered to the brakes in proportion to how much the pedal is pressed.

Trailer Service Control Signal

An electronic or pneumatic signal used to control the brakes and other systems on a trailer from the towing vehicle.

Aerodynamic Tractor-Trailer Rigs

Trucks designed with features that reduce air resistance, improving fuel efficiency and reducing operational costs.