Q.1
In a dual air brake system:
Q.2
What is brake lag?
Q.3
When an S-cam turns inside a brake drum, the S-cam:
Q.4
The leakage rate for a triple combination vehicle with air brakes should be no more than ____ in one minute during a static leakage test.
Q.5
Lights that indicate that anti-lock brakes are not working are:
Q.6
On flat surfaces, wheel chocks:
Q.7
An application pressure gauge shows:
Q.8
When operating a vehicle with a dual air brake system, the driver should:
Q.9
Brakes out of adjustment will:
Q.10
Failing to drain air tanks could result in:
Q.11
If air pressure drops to a level between ____, a visual low pressure warning signal should have already activated.
Q.12
If the safety relief valve in the air brake system releases air:
Q.13
Once the air tanks are at an air pressure level of 125 psi, the air compressor governor will:
Q.14
Air tank drains:
Q.15
Do not operate a vehicle if any brake drums have cracks that are larger than ____ of the width of the friction area.
Q.16
When you are about to start down a hill, you should switch into a ____ gear.
Q.17
During an applied leakage test, the maximum leakage rate for a double combination vehicle is ____ in a minute.
Q.18
What does an air compressor do in an air brake system?
Q.19
____ make up the emergency brake system.
Q.20
The ____ are activated by an electric switch that is triggered by the brake pedal.
Q.21
When parking, you should not use the parking brake if:
Q.22
Brakes can get out of adjustment quickly, especially:
Q.23
Vehicles equipped with Anti-Lock Braking Systems (ABS) have ____ malfunction lamps to indicate when the ABS is not working.
Q.24
ABS brakes:
Q.25
A slack adjuster should move no more than ____ from where it is attached to the push rod.
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