Q.1
An application pressure gauge shows:
Q.2
The ____ are activated by an electric switch that is triggered by the brake pedal.
Q.3
What should happen before the air pressure in an air brake system tank falls below 55 psi?
Q.4
When stopping in an emergency situation, you should:
Q.5
What kind of brakes do most newer heavy-duty trucks use?
Q.6
Friction in an S-cam brake is caused when the brake shoes and linings:
Q.7
The rods in S-cam brakes move the slack adjusters when air pressure is added to the brake chambers. This air pressure is added to the chambers when the driver:
Q.8
Brakes can get out of adjustment quickly, especially:
Q.9
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.10
The air compressor is connected to the:
Q.11
When operating a vehicle with a dual air brake system, the driver should:
Q.12
Once the air tanks are at an air pressure level of 125 psi, the air compressor governor will:
Q.13
During an inspection, slack adjusters on S-cam brakes should not move more than:
Q.14
What do air brakes use to make the brakes work?
Q.15
The air storage tanks:
Q.16
Brakes out of adjustment will:
Q.17
What do the two systems of a dual air brake system share?
Q.18
What is often found in compressed air?
Q.19
In a dual air brake system, if one air system is very low on pressure:
Q.20
When parked on a flat surface, you should:
Q.21
While operating on a downgrade, you should brake until you reach a speed that is:
Q.22
Air tank drains:
Q.23
What color light indicates a vehicle's ABS is not working?
Q.24
A dual air brake system:
Q.25
Braking mechanisms are located inside:
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