Q.1
When a brake pedal is pressed and the S-cam is turned, the S-cam:
Q.2
During a static leakage test, what is the maximum leakage rate that is safe for a double combination vehicle?
Q.3
A visual low pressure warning signal should activate before air pressure drops to a level between:
Q.4
During an applied leakage test, the maximum leakage rate for a triple combination vehicle is:
Q.5
The ____ between an air compressor and reservoir tank prevents air from escaping if the air compressor has a leak.
Q.6
If the low pressure warning signal activates while you are driving, you should:
Q.7
Once the air tanks are at an air pressure level of 125 psi, the air compressor governor will:
Q.8
When parking, you should not use the parking brake if:
Q.9
Vehicles equipped with Anti-Lock Braking Systems (ABS) have ____ malfunction lamps to indicate when the ABS is not working.
Q.10
Brake linings should be:
Q.11
Both systems in a dual air brake systems share:
Q.12
You should ____ if the low pressure warning signal activates while you are driving.
Q.13
During an applied leakage test, the maximum leakage rate for a double combination vehicle is:
Q.14
Anti-Lock Braking Systems (ABS):
Q.15
What color light indicates a vehicle's ABS is not working?
Q.16
If braking at a speed of 55 mph while driving on dry pavement, the brake lag can add ____ to your vehicle's total stopping distance.
Q.17
While operating on a downgrade, you should brake until you reach a speed that is:
Q.18
Before driving a vehicle with air brakes, you should ensure that the ____ come on automatically when air pressure falls below 45 psi.
Q.19
To inspect slack adjusters on S-cam brakes, you need to:
Q.20
When an S-cam turns inside a brake drum, the S-cam:
Q.21
In a vehicle with dual parking control valves, a separate air tank can be used:
Q.22
Why should you regularly drain the air tanks?
Q.23
On flat surfaces, wheel chocks:
Q.24
The air pressure in a dual air brake system should build from 85 to 100 psi within:
Q.25
The air compressor is connected to the:
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