Congratulations - you have completed Air Brake Demo Test.
You scored %%SCORE%% out of %%TOTAL%%.
Your performance has been rated as %%RATING%%
Your answers are highlighted below.
Question 1
All air brake equipped vehicles have?
A
A supply pressure gauge
B
An air use gauge
C
A backup hydraulic system
Question 2
Why drain water from compressed air tanks?
A
To keep from fouling the air compressor oil
B
The low boing point of water reduces braking power
C
Water can freeze in cold weather and cause brake failure
Question 3
If you are driving down a steep downgrade and you have reached your “safe” speed of 40 miles per hour, you would apply the service brakes until your speed drops to?
A
30 mph
B
35 mph
C
25 mph
Question 4
A supply pressure gauge tells you how much air is in the?
A
Air tanks
B
Trailer brake lines
C
Tractor brake lines
Question 5
If your vehicle has an alcohol evaporator, every day during cold weather you should?
A
Check the oil for alcohol content
B
Check and fill the alcohol level
C
Change the alcohol from a new bottle
Once you are finished, click the button below. Any items you have not completed will be marked incorrect.
Get Results
There are 5 questions to complete.
←
List
→
Return
Shaded items are complete.
1
2
3
4
5
End
Return
You have completed
questions
question
Your score is
Correct
Wrong
Partial-Credit
You have not finished your quiz. If you leave this page, your progress will be lost.
(855) 444-5677