Q.1
If the low air pressure warning signal comes on, you should:
Q.2
What do air brakes use to make the brakes work?
Q.3
Emergency brakes:
Q.4
The safety valve located on the first tank opens:
Q.5
To make a stop in a vehicle equipped with air brakes, the driver should:
Q.6
Using an Anti-Lock Braking System (ABS):
Q.7
To use the stab braking method, you should:
Q.8
In a newer vehicle, you apply the parking brake:
Q.9
What color are ABS malfunction lamps?
Q.10
Before driving a vehicle with air brakes, you should ensure that the ____ come on automatically when air pressure falls below 45 psi.
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
What happens if brakes become too hot?
Q.13
Spring brakes come on:
Q.14
A modulating control valve can control the:
Q.15
What must be on an air tank in an air-braked vehicle?
Q.16
Before a vehicle with dual air brakes is driven, pressure of at least ____ should be built up in both braking systems.
Q.17
If the air pressure warning light comes on, you should:
Q.18
On newer vehicles, how do you put on the parking brake?
Q.19
An air compressor governor will stop the compressor from pumping air once the air tanks have an air pressure level of:
Q.20
Air tank drains:
Q.21
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.22
Air brakes are:
Q.23
A tank endorsement is:
Q.24
Most heavy-duty vehicles use:
Q.25
If using air tanks with manually operated drains, how often should you drain the tanks?
0 h : 0 m : 1 s