Q.1
What color are ABS malfunction lamps?
Q.2
The parking brake should be:
Q.3
Truck tractors with air brakes built on or after March 1, 1997 must have:
Q.4
Friction inside a brake drum is caused when the brake shoes and linings:
Q.5
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.6
Truck tractors with air brakes that were built on or after March 1, 1997 are equipped with:
Q.7
Braking mechanisms are located inside:
Q.8
Pressing and releasing the brake pedal unnecessarily can:
Q.9
What kind of force do emergency brakes use?
Q.10
The service brake system:
Q.11
To make a stop in a vehicle using air brakes, the driver should:
Q.12
The ____ between an air compressor and reservoir tank prevents air from escaping if the air compressor has a leak.
Q.13
If using air tanks with manually operated drains, how often should you drain the tanks?
Q.14
Air tank drains:
Q.15
All air tanks must include:
Q.16
What is removed when an air tank is drained?
Q.17
To stop a vehicle using air brakes:
Q.18
The air compressor is connected to the:
Q.19
If an air compressor is belt-driven, the belt should be routinely checked to ensure that it is:
Q.20
During an applied leakage test, the maximum leakage rate for a double combination vehicle is ____ in a minute.
Q.21
During an applied leakage test, the maximum leakage rate for a triple combination vehicle is ____ in a minute.
Q.22
Before driving a vehicle with a dual air brake system, you must wait for the air compressor to build a minimum of ____ in both the primary and secondary systems.
Q.23
In a dual air brake system, air pressure should build from 85 to 100 psi within ____ seconds.
Q.24
In a vehicle with dual air brakes, what happens if one system is low on pressure?
Q.25
What does the air compressor governor do?
0 h : 0 m : 1 s