Describe What the Trailer Air Supply Control Does

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Answer You push it in to supply the trailer brakes with air and pull it out to shut off the. When coupling a tractor-semitrailer to test the trailer air brakes you should place the tractor protection valve control in what position.

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You push it in to supply the trailer with air and pull it out to shut the air off and put on the trailer emergency brakes.

. Describe what the trailer air supply control does. Describe what the trailer air supply control does. It is a yellow six sided knob used to control the tractor protection valve.

It is a yellow six sided knob used to control the tractor protection valve. Describe what the trailer air supply control does. It is used to supply the trailer with air shut the air off and put on the trailer emergency brakes.

You are coupling a tractor to a semi trailer. When coupling a tractor-semitrailer to test the trailer air brakes you should place the tractor protection valve control in what position. When coupling a tractor-semitrailer to test the trailer air brakes you should place the tractor protection valve control in what position.

If your vehicle is equipped with dummy couplers why should you connect the glad hands to them. Describe what the service line is for. Describe what the trailer air supply control does.

Describe what the trailer air supply control does. Describe what the trailer air supply control does. It is a yellow six-sided knob used to control the tractor protection valve.

Because the trailer brakes use air the air in the tanks could run out releasing the brakes. It is used to supply the trailer with air shut the air off and put on the trailer emergency brakes. Where are shut-off valves.

It is a device used to keep the trailer behind the tractor. Describe what the service line is for. The red is for the trailer supply valve which provides air to the trailer both to release the trailer brakes to inflate the air ride suspension.

Describe what the trailer air supply control does. The valve will pop out closing the tractor protection valve when the air pressure drops into the range of 20-45 psi. Study section 62 if you cant answer all of these questions.

The trailer air supply control on newer vehicles is a red eight-sided knob which you use to control the tractor protection valve. What is the emergency air line for. Describe what the trailer air supply control does.

Describe what the service line is for. Supplies air to trailer air tanks as well as control the emergency brakes. It is a device used to keep the trailer behind the tractor.

It is used to supply the trailer with air shut the air off and put on the trailer emergency brakes. How can you test that air flows to all trailers. It carries air to the trailer brakes.

If your vehicle is equipped with dummy couplers why should you connect the glad hands to them. Describe what the trailer air supply control does. Describe what the trailer air supply control does.

If your vehicle is equipped with dummy couplers why should you connect the glad hands to them. You push it in to supply the trailer with air and pull it out to shut the air off and put on the trailer emergency brakes. Describe what the service line is for.

What is the emergency air line for. The trailer air supply control also called the tractor protection valve control should pop out or go from normal to emergency position when the air pressure falls into the pressure range specified by the manufacturer usually within the range of 20 to 45 psi. What might happen if the trailer is too high when you try to couple.

It is a device used to keep the trailer behind the tractor. Describe what the trailer air supply control does. Describe what trailer air supply control does.

Why should you never back under a trailer at an angle. Why should you never use the trailer hand valve while driving. You will need to achieve a score of 80 or higher to pass this practice test.

What is the purpose of the emergency air supply line. It is used to supply the trailer with air shut the air off and put on the trailer emergency brakes. You push it in to supply the trailer with air and pull it out to shut the air off and put on the trailer emergency brakes.

Describe what the trailer air supply control does. Why should you use chocks when parking a trailer without spring brakes. These are just a few of the examples of the types of questions and concepts that comprise this practice exam.

If you do not pass you can take the. Why should you use chocks when parking a trailer without spring brakes. Supply air to the trailer air tanks and control the emergency brakes on combination vehicles.

What is the Crack the whip effect. The trailer air supply control on newer vehicles is a red eight-sided knob which you use to control the tractor protection valve.

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