Leading off from the tractor protection valve are two lines, each with a glad hand coupler. These two lines are referred to as the:

A) Supply and return lines
B) Primary and secondary lines
C) Emergency and service lines
D) Control and distribution lines

The two lines from the tractor protection valve with glad hand couplers are the emergency and service lines, each responsible for different braking functions on a trailer.

Explanation:

The lines leading off from the tractor protection valve and terminating in glad hand couplers are referred to as the emergency and service lines. The emergency line provides air to the trailer's emergency brakes and can apply the brakes automatically if there is a disconnection or significant air pressure loss. Conversely, the service line controls the normal braking system when the driver applies the brake pedal.

Leading off from the tractor protection valve are two lines, each with a glad hand coupler. These two lines are referred to as the:A) Supply and return lines B) Primary and secondary lines C) Emergency and service lines D) Control and distribution lines

Answer :

Final answer:

Explanation:

Other Questions

Leading off from the tractor protection valve are two lines, each with a glad hand coupler. These two lines are referred to as the:

A) Supply and return lines
B) Primary and secondary lines
C) Emergency and service lines
D) Control and distribution lines