cdl practice test

CDL Air Brakes Practice Test #2


Question #1 of 33

Step on and off the brake pedal to reduce the air tank pressure. The parking brake knob should pop out when the air pressure falls to the manufacturers specification. This is how you check which of the following?


This is how you can check that the spring brakes will come on automatically.

This is how you can check that the slack adjusters are adjusted properly.

This is how you can check that the supply pressure gage is working.

This is how you can check that the brake pedal is tuned properly.

None of the above.





CDL Practice Test (Home) | General Knowledge Test | General Knowledge Test Part 2

True/False General Knowledge Challenge | Hazmat Test | Hazmat True/False Test | Air Brake Test

Air Brake Test (New) | Combination Vehicles Test | Doubles and Triples Test | Tanker Test

Pre Trip Inspection Test | Truck Driver Requirements | School Bus Test | Passenger Vehicle Test

Class A CDL Test #1 | Class A CDL Test #2 | Class B CDL Test #1 | Class B CDL Test #2

CDL Learning Series Tests (New) | Free CDL Training Information

Privacy Policy  |  Contact


© 2017 CDLTEST.co