Q.1
What kind of force must emergency brakes use?
Q.2
Which of the following is not a part of an air brake system?
Q.3
If the low pressure warning light comes on while you are driving:
Q.4
When you need to stop in an emergency, you should:
Q.5
Emergency brakes:
Q.6
Truck tractors with air brakes built on or after March 1, 1997 must have:
Q.7
Most heavy-duty vehicles use:
Q.8
If the spring brakes are on, you should:
Q.9
If your tractor is equipped with ABS but your trailer is not, the ABS:
Q.10
The ____ tells a driver how much pressure is in the air tanks.
Q.11
During a walk-around inspection, ensure there are no cracks on the brake drums that are more than ____ of the width of the friction area.
Q.12
Which type of brakes do most heavy-duty vehicles have?
Q.13
To ensure normal stopping power, drivers of vehicles equipped with a front brake limiting valve should:
Q.14
To stop in a vehicle that uses air brakes, the driver should:
Q.15
Pressing and releasing a brake pedal unnecessarily can:
Q.16
During a static leakage test, the maximum leakage rate for a single vehicle with air brakes is ____ in one minute.
Q.17
During an applied leakage test, the maximum leakage rate for a single vehicle with air brakes is:
Q.18
Truck tractors with air brakes that were built on or after March 1, 1997 are equipped with:
Q.19
If using air tanks with manually operated drains, how often should you drain the tanks?
Q.20
A low air pressure warning signal should activate:
Q.21
What do anti-lock brakes do?
Q.22
The most common type of foundation brake used is the:
Q.23
What happens if the air pressure in a system's air tanks falls below 60 psi?
Q.24
Most heavy-duty vehicles use ____ air brake systems.
Q.25
Spring brakes come on:
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