Congratulations - you have completed Air Brake Demo Test.
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Question 1
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
25 mph
B
30 mph
C
35 mph
Question 2
Why drain water from compressed air tanks?
A
The low boing point of water reduces braking power
B
To keep from fouling the air compressor oil
C
Water can freeze in cold weather and cause brake failure
Question 3
A supply pressure gauge tells you how much air is in the?
A
Trailer brake lines
B
Tractor brake lines
C
Air tanks
Question 4
If your vehicle has an alcohol evaporator, every day during cold weather you should?
A
Change the alcohol from a new bottle
B
Check and fill the alcohol level
C
Check the oil for alcohol content
Question 5
All air brake equipped vehicles have?
A
A backup hydraulic system
B
An air use gauge
C
A supply pressure gauge
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