Q.1
Air storage tanks:
Q.2
When leaving your vehicle unattended:
Q.3
When traveling down a steep downgrade:
Q.4
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.5
If the safety relief valve in the air brake system releases air:
Q.6
While driving, ____ generally holds spring brakes in place.
Q.7
The parking brake in a newer vehicle is applied by:
Q.8
An emergency brake must be controlled by:
Q.9
The ____ between an air compressor and reservoir tank prevents air from escaping if the air compressor has a leak.
Q.10
When stopping in an emergency situation, you should:
Q.11
If the low air pressure warning signal comes on, you should:
Q.12
Vehicles equipped with Anti-Lock Braking Systems (ABS) have ____ malfunction lamps to indicate when the ABS is not working.
Q.13
What do air brakes use to make the brakes work?
Q.14
What kind of force do emergency brakes use?
Q.15
What color light indicates a vehicle's ABS is not working?
Q.16
What helps prevent wheel lockup when braking?
Q.17
A low air pressure warning signal should activate:
Q.18
In a vehicle with dual air brakes, a leak in one system ____ the second system.
Q.19
Do not operate a vehicle if any brake drums have cracks that are larger than ____ of the width of the friction area.
Q.20
In a vehicle with dual parking control valves, a separate air tank can be used:
Q.21
You should test the low pressure warning signal by:
Q.22
A wig wag is:
Q.23
During a static leakage test, what is the maximum leakage rate that is safe for a double combination vehicle?
Q.24
A driver can rely on front wheel braking to work:
Q.25
Anti-Lock Braking Systems (ABS):
0 h : 0 m : 1 s