Q.1
If a load is placed on one side of a trailer, the trailer:
Q.2
To find out if a vehicle that was built before 1998 has an Anti-Lock Braking System (ABS), you can:
Q.3
What is a tractor protection valve?
Q.4
If a parked trailer does not have spring brakes, you should keep the trailer from moving by:
Q.5
Before a trip, you can make sure air flows to all trailers by:
Q.6
If color-coded, which color is used to identify emergency, or supply, lines?
Q.7
If color-coded, which color is used to identify service lines?
Q.8
Rollovers happen when:
Q.9
If you cannot reverse your trailer in a straight path, you should:
Q.10
Fully-loaded rigs:
Q.11
After completing a pre-trip inspection, you should ensure that the:
Q.12
Trailers built before ____ are not required to have spring brakes.
Q.13
When a vehicle goes around a corner, the rear wheels:
Q.14
In a vehicle equipped with an automatic tractor protection valve, the valve will pop out when air pressure drops to a level between:
Q.15
A driver should test the tractor protection valve by:
Q.16
Keeping cargo low can:
Q.17
A tractor protection valve:
Q.18
If you must cross traffic while driving a combination vehicle, you should:
Q.19
When driving a vehicle equipped with an Anti-Lock Braking System (ABS), brakes should be applied:
Q.20
Older trailers are not equipped with spring brakes. This means that if the air supply for a vehicle's air braking system leaks away:
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