Q.1
Alcohol evaporators are:
Q.2
Failing to drain air tanks could result in:
Q.3
When leaving your vehicle unattended:
Q.4
Some water and compressor oil is usually found in the compressed air within an air brake system. The water and compressor oil:
Q.5
If the low air pressure warning signal comes on in a vehicle with air brakes, the driver should:
Q.6
An emergency brake must be controlled by:
Q.7
The air compressor is connected to the:
Q.8
When leaving a vehicle unattended, a driver should:
Q.9
Air tank drains:
Q.10
If you are driving and the ABS light comes on, it means that the ABS:
Q.11
A low air pressure warning signal:
Q.12
What do the two systems of a dual air brake system share?
Q.13
A safety valve is set to open at ____ pounds per square inch (psi).
Q.14
In a dual air brake system, if one air system is very low on pressure:
Q.15
Truck tractors with air brakes built on or after March 1, 1997 must have:
Q.16
What kind of force do emergency brakes use?
Q.17
The ____ between an air compressor and reservoir tank prevents air from escaping if the air compressor has a leak.
Q.18
During a static leakage test, what is the maximum leakage rate that is safe for a double combination vehicle?
Q.19
Brakes out of adjustment will:
Q.20
Friction in an S-cam brake is caused when the brake shoes and linings:
Q.21
In a vehicle with dual parking control valves, a separate air tank can be used:
Q.22
What do air brakes use to make the brakes work?
Q.23
Lights that indicate that anti-lock brakes are not working are:
Q.24
During an applied leakage test, the maximum leakage rate for a double combination vehicle is ____ in a minute.
Q.25
Alcohol evaporators are:
0 h : 0 m : 1 s