Home
Schedule
Financing
Student Wall
About
Contact
Air Brakes Test
1 / 46
A normal brake application will give you an accurate feel as to whether the brakes are properly adjusted.
2 / 46
What is the most effective way to drain the air tank?
3 / 46
When you driving in hill area upwards and on descending then
4 / 46
When red line is connected it
5 / 46
The force of service brake application depends on the brake chamber diaphragm and a:
6 / 46
Each air brake chamber style type and size has a specific:
7 / 46
When using the applied stroke method of inspecting the S-cam brakes, air pressure must be:
8 / 46
To maintain the adjustment of automatic slack adjuster, the driver should:
9 / 46
When measuring the applied push rod stroke, air pressure must be between:
10 / 46
Driving a vehicle with an air brake system that is below the normal operating air pressure range is:
11 / 46
The art in ide spring Park brakes that can be hazardous is the:
12 / 46
Which tank should be drained first:
13 / 46
When the brake pedal is pressed, air brakes apply:
14 / 46
Maximum air leakage for the power unit with one trailer unit with spring park brakes released and the service brake applied is:
15 / 46
Compressor build up time from 50 psi to 90 psi (345 to should not exceed: 62 kP)
16 / 46
To check the air pressure in a vehicle's air system a driver must
17 / 46
The foot valve in an air brake system is used to:
18 / 46
To prevent the vehicle from moving during an air brake inspection, the driver should use:
19 / 46
When a low pressure warning device is activated, the driver must:
20 / 46
An Antilock braking system (ABS) uses dash warning lights to indicate:
21 / 46
The park control valve is normally:
22 / 46
If there is a total loss of air pressure in either the primary or secondary service circuits:
23 / 46
Brake chamber push rod force is determined by:
24 / 46
Brake system stops vehicle by creating between the lining and brake drum.
25 / 46
If an air failure occurs, the driver must:
26 / 46
When inspecting brake drums and rotators, the driver must watch for:
27 / 46
Spring Park brakes can be mechanically caged
28 / 46
Below Air pressure warning device is activated at:
29 / 46
When inspecting the brake chamber, the driver must check for:
30 / 46
The Primary service brake circuit is located:
31 / 46
Air pressure is used to:
32 / 46
The main purpose of an air compressor is to:
33 / 46
To test air pressure build up time, the engine should be running at:
34 / 46
An antilock braking system (ABS) failure is recognized by:
35 / 46
Vehicle with an air brake system must have air pressure guage that indicate the air pressure level in:
36 / 46
When a trailer's service brakes fail to apply, the trailer spring park brakes can be applied using the:
37 / 46
A red trailer supply line failure of an operating Tractor Trailer Unit with spring park brakes released will result in
38 / 46
When the Trailer couplers or glad hands are cross connected
39 / 46
Air tanks must be drained at least:
40 / 46
When an air brake air supply is out of adjustment
41 / 46
When air loss from air brake system exceeds the prescribed as limits
42 / 46
When a spring park brake chamber has been disabled by caging bolt
43 / 46
Brake chambers create greater application force if
44 / 46
When adjusting the manual slack adjuster which of the following will confirm that the adjusting bolt is being turned correctly
45 / 46
Air tanks must be drained regularly because
46 / 46
Pulling the park control valve (yellow button) on a tractor trailer unit will
Your score is
The average score is 50%
Restart quiz
