Home

  • PA Car Tests
  • PA Motorcycle Tests
  • PA CDL Tests
  • PA Driver Manuals

Pennsylvania CDL Practice Test: Air Brakes - Test 2020

(From the 2020 Pennsylvania CDL Handbook)
Number of tests: 34
Number of questions: 30
Passing score: 80

Directions: To obtain this endorsement required to drive a vehicle with air brakes, applicants must pass a 20-question test. And to pass the test, applicants must score at least 80%. Test questions are from the Pennsylvania Commercial Driver Handbook. The School Bus endorsement can be used with the Class A, B, or C CDL. If you need additional information, please contact your local DMV office. You can find your nearest DMV office at Pennsylvania DMV locations.

You have made error(s) so far.
Your Challenge Library: 0

1. What part of the truck is the air compressor connected to?

2. What kind of force must emergency brakes use?

3. When going down a steep downgrade,

4. Having ABS on only one axle:

5. If the vehicle has air brakes, the air compressor drive belt should be checked before each drive. In what condition should the belt be in?

6. A dual air brake system:

Your Progress

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30

RATE THIS TEST


4.5 OUT OF 5.0
BASED ON 389 VOTES