Air Brake Manual Chapter 6
Air Brake Systems Quiz
Test your knowledge on air brake systems with this comprehensive quiz designed to challenge your understanding and reinforce key concepts. Perfect for students, professionals, and anyone interested in mastering air brake technology!
- Assess your knowledge on crucial air brake components.
- Understand the fun
ctions and applications of different valves. - Prepare for certification or enhance your skills in vehicle safety.
What is the mimimum pressure at which the tractor protection system must be activated?
10 psi
20 psi
80 psi
100 psi
To change a two- or three-axle unit into a tractor, what must be added?
A tractor system
A secondary reservoir
Parking-brake system
A trailer system
What does this red octagonal button usually control?
Trailer-supply valve
Parking brake
Modulator valve
Sirens
The two functions of the trailer-supply valve are to control the tractor protection valve and to supply air to the trailer reservoirs.
True
False
The supply line to the trailer always contains the same air pressure as...
The highest pressure circuit
The lowest pressure circuit
The secondary circuit
The primary circuit
The hand valve can also be used as a parking brake.
True
False
What is the hand-control valve used for?
To operate the trailer's brakes independent of the tractor
To couple or uncouple the trailer
To straighten out the tractor during a skid
All answers are correct
Which is not one of the three functions of the relay emergency valve?
To relay air from the trailer reservoir to the trailer-brake chambers
To automatically direct pressure to the brake in the event of a rupture
To charge the trailer system through a one way check valve
To protect the gladhands from dirt and debris, preventing air leaks
What is the function of a two-way check valve?
Allows air to flow in one direction but not the other
Stops air in a reservoir from going back to the source of the supply
Allows air to be directed to one delivery pipe from either of two sources
Allows air to come from two sources at once
The trailer reservoir tank provides a volume of air near the rear service brakes for normal or emergency braking
True
False
Which term refers to the direct delivery of air to the trailer brake chambers in the event of a sudden loss of air pressure in the supply line?
Exlplosive braking
Dynamiting
Uh oh braking
TNT-ing
If the service-line is ruptured or disconnected, what will take place?
An immediate triggering of an emergency brake application
Nothing
Nothing until a brake application is made
A warning light
If the supply-line is ruptured or disconnected, what will take place?
Nothing until a brake application is made
An immediate triggering of an emergency brake application
A warning light
Nothing
How can you check the operation of the trailer spring-brake valve?
Closing or disconnecting the supply line with the supply valve in the open position
Closing or disconnecting the supply line with the supply valve in the closed position
Closing the supply valve
Opening the supply valve
Because of the one-way check valve, there is sufficient air pressure for a limited number of brake applications if there is a loss of pressure from the supply reservoir.
True
False
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