Q.1
The air compressor is connected to the:
Q.2
Air tank drains should:
Q.3
Air storage tanks:
Q.4
The air storage tanks:
Q.5
When an S-cam turns inside a brake drum, the S-cam:
Q.6
Do not operate a vehicle if any brake drums have cracks that are larger than ____ of the width of the friction area.
Q.7
Before driving a vehicle with air brakes, you should ensure that the ____ come on automatically when air pressure falls below 45 psi.
Q.8
If the low air pressure warning signal comes on in a vehicle with air brakes, the driver should:
Q.9
The ____ between an air compressor and reservoir tank prevents air from escaping if the air compressor has a leak.
Q.10
Some water and compressor oil is usually found in the compressed air within an air brake system. The water and compressor oil:
Q.11
The parking brake in a newer vehicle is applied by:
Q.12
Air tank drains should:
Q.13
What tells you how much pressure is in your vehicle's air tanks?
Q.14
What is often found in compressed air?
Q.15
What does the air compressor governor do?
Q.16
Truck tractors with air brakes built on or after March 1, 1997 must have:
Q.17
While operating on a downgrade, you should brake until you reach a speed that is:
Q.18
If the spring brakes are on, you should:
Q.19
Manual air tank drains should be:
Q.20
When parking, you should not use the parking brake if:
Q.21
Some air brake systems introduce alcohol into the system to:
Q.22
During a static leakage test, what is the maximum leakage rate that is safe for a double combination vehicle?
Q.23
A slack adjuster should move no more than ____ from where it is attached to the push rod.
Q.24
When leaving your vehicle unattended:
Q.25
Why do large vehicles use air brakes?
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